diff --git a/css/chess.css b/css/chess.css
index f894fc1..7595438 100644
--- a/css/chess.css
+++ b/css/chess.css
@@ -324,19 +324,23 @@ button:disabled .silhouette {
 }
 
 #cb_board .cb-lt-piece {
-   left: -2.5%;
+   left: 0;
+   right: auto;
 }
 
 #cb_board .cb-dk-piece {
-   left: 47.5%;
+   left: auto;
+   right: 0;
 }
 
 #cb_board.cb-reversed .cb-lt-piece {
-   left: 47.5%;
+   left: auto;
+   right: 0
 }
 
 #cb_board.cb-reversed .cb-dk-piece {
-   left: -2.5%;
+   left: 0;
+   right: auto;
 }
 
 #cb_board #cb_phantom .cb-dk-piece {
@@ -503,15 +507,15 @@ button:disabled .silhouette {
 .game-tile-lt-name::before {
    content: '';
    display: inline-block;
-   background-image: url(../svg/pacosako/kl.svg);
+   background-image: url(../svg/pacosako-theme.svg#light_king_left);
    background-size: contain;
    background-repeat: no-repeat;
    width: 1.2em;
    height: 1.2em;
    margin-left: 0;
    margin-top: 0;
-   margin-bottom: -0.1em;
-   margin-right: -0.15em;
+   margin-bottom: -0.2em;
+   margin-right: -0.4em;
 }
 
 /* extra space to keep the line centered */
@@ -520,9 +524,9 @@ button:disabled .silhouette {
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
-   margin-left: -0.15em;
+   margin-left: -0.4em;
    margin-top: 0;
-   margin-bottom: -0.1em;
+   margin-bottom: -0.2em;
    margin-right: 0;
 }
 
@@ -534,21 +538,21 @@ button:disabled .silhouette {
    height: 1.2em;
    margin-left: 0;
    margin-top: 0;
-   margin-bottom: -0.1em;
-   margin-right: -0.05em;
+   margin-bottom: -0.2em;
+   margin-right: -0.4em;
 }
 
 .game-tile-dk-name::after {
    content: '';
    display: inline-block;
-   background-image: url(../svg/pacosako/kd.svg);
+   background-image: url(../svg/pacosako-theme.svg#dark_king_right);
    background-size: contain;
    background-repeat: no-repeat;
    width: 1.2em;
    height: 1.2em;
-   margin-left: -0.05em;
+   margin-left: -0.4em;
    margin-top: 0;
-   margin-bottom: -0.1em;
+   margin-bottom: -0.2em;
    margin-right: 0;
 }
 
@@ -635,22 +639,30 @@ button:disabled .silhouette {
    }
 }
 
-.cb-dk-piece.cb-king   { content: url(../svg/Chess_kdt45.svg); }
-.cb-dk-piece.cb-queen  { content: url(../svg/Chess_qdt45.svg); }
-.cb-dk-piece.cb-rook   { content: url(../svg/Chess_rdt45.svg); }
-.cb-dk-piece.cb-knight { content: url(../svg/Chess_ndt45.svg); }
-.cb-dk-piece.cb-bishop { content: url(../svg/Chess_bdt45.svg); }
-.cb-dk-piece.cb-pawn   { content: url(../svg/Chess_pdt45.svg); }
-.cb-lt-piece.cb-king   { content: url(../svg/Chess_klt45.svg); }
-.cb-lt-piece.cb-queen  { content: url(../svg/Chess_qlt45.svg); }
-.cb-lt-piece.cb-rook   { content: url(../svg/Chess_rlt45.svg); }
-.cb-lt-piece.cb-knight { content: url(../svg/Chess_nlt45.svg); }
-.cb-lt-piece.cb-bishop { content: url(../svg/Chess_blt45.svg); }
-.cb-lt-piece.cb-pawn   { content: url(../svg/Chess_plt45.svg); }
+.cb-dk-piece.cb-king   { content: url(../svg/traditional-theme.svg#dark_king_right); }
+.cb-dk-piece.cb-queen  { content: url(../svg/traditional-theme.svg#dark_queen_right); }
+.cb-dk-piece.cb-bishop { content: url(../svg/traditional-theme.svg#dark_bishop_right); }
+.cb-dk-piece.cb-knight { content: url(../svg/traditional-theme.svg#dark_knight_right); }
+.cb-dk-piece.cb-rook   { content: url(../svg/traditional-theme.svg#dark_rook_right); }
+.cb-dk-piece.cb-pawn   { content: url(../svg/traditional-theme.svg#dark_pawn_right); }
+.cb-lt-piece.cb-king   { content: url(../svg/traditional-theme.svg#light_king_left); }
+.cb-lt-piece.cb-queen  { content: url(../svg/traditional-theme.svg#light_queen_left); }
+.cb-lt-piece.cb-bishop { content: url(../svg/traditional-theme.svg#light_bishop_left); }
+.cb-lt-piece.cb-knight { content: url(../svg/traditional-theme.svg#light_knight_left); }
+.cb-lt-piece.cb-rook   { content: url(../svg/traditional-theme.svg#light_rook_left); }
+.cb-lt-piece.cb-pawn   { content: url(../svg/traditional-theme.svg#light_pawn_left); }
 
-#cb_board.cb-reversed .cb-piece {
-   -webkit-transform: scaleX(-1);
-   transform: scaleX(-1);
-}
+#cb_board.cb-reversed .cb-dk-piece.cb-king   { content: url(../svg/traditional-theme.svg#dark_king_left); }
+#cb_board.cb-reversed .cb-dk-piece.cb-queen  { content: url(../svg/traditional-theme.svg#dark_queen_left); }
+#cb_board.cb-reversed .cb-dk-piece.cb-bishop { content: url(../svg/traditional-theme.svg#dark_bishop_left); }
+#cb_board.cb-reversed .cb-dk-piece.cb-knight { content: url(../svg/traditional-theme.svg#dark_knight_left); }
+#cb_board.cb-reversed .cb-dk-piece.cb-rook   { content: url(../svg/traditional-theme.svg#dark_rook_left); }
+#cb_board.cb-reversed .cb-dk-piece.cb-pawn   { content: url(../svg/traditional-theme.svg#dark_pawn_left); }
+#cb_board.cb-reversed .cb-lt-piece.cb-king   { content: url(../svg/traditional-theme.svg#light_king_right); }
+#cb_board.cb-reversed .cb-lt-piece.cb-queen  { content: url(../svg/traditional-theme.svg#light_queen_right); }
+#cb_board.cb-reversed .cb-lt-piece.cb-bishop { content: url(../svg/traditional-theme.svg#light_bishop_right); }
+#cb_board.cb-reversed .cb-lt-piece.cb-knight { content: url(../svg/traditional-theme.svg#light_knight_right); }
+#cb_board.cb-reversed .cb-lt-piece.cb-rook   { content: url(../svg/traditional-theme.svg#light_rook_right); }
+#cb_board.cb-reversed .cb-lt-piece.cb-pawn   { content: url(../svg/traditional-theme.svg#light_pawn_right); }
 
 /* vim: set expandtab sw=3 ts=8: */
diff --git a/css/theme/pacosako.css b/css/theme/pacosako.css
index 63a910c..c4c1eb0 100644
--- a/css/theme/pacosako.css
+++ b/css/theme/pacosako.css
@@ -1,45 +1,55 @@
-.cb-theme-pacosako .cb-dk-piece.cb-king   { content: url(../../svg/pacosako/kd.svg); }
-.cb-theme-pacosako .cb-dk-piece.cb-queen  { content: url(../../svg/pacosako/qd.svg); }
-.cb-theme-pacosako .cb-dk-piece.cb-rook   { content: url(../../svg/pacosako/rd.svg); }
-.cb-theme-pacosako .cb-dk-piece.cb-knight { content: url(../../svg/pacosako/nd.svg); }
-.cb-theme-pacosako .cb-dk-piece.cb-bishop { content: url(../../svg/pacosako/bd.svg); }
-.cb-theme-pacosako .cb-dk-piece.cb-pawn   { content: url(../../svg/pacosako/pd.svg); }
-.cb-theme-pacosako .cb-lt-piece.cb-king   { content: url(../../svg/pacosako/kl.svg); }
-.cb-theme-pacosako .cb-lt-piece.cb-queen  { content: url(../../svg/pacosako/ql.svg); }
-.cb-theme-pacosako .cb-lt-piece.cb-rook   { content: url(../../svg/pacosako/rl.svg); }
-.cb-theme-pacosako .cb-lt-piece.cb-knight { content: url(../../svg/pacosako/nl.svg); }
-.cb-theme-pacosako .cb-lt-piece.cb-bishop { content: url(../../svg/pacosako/bl.svg); }
-.cb-theme-pacosako .cb-lt-piece.cb-pawn   { content: url(../../svg/pacosako/pl.svg); }
+.cb-theme-pacosako .cb-dk-piece.cb-king   { content: url(../../svg/pacosako-theme.svg#dark_king_right); }
+.cb-theme-pacosako .cb-dk-piece.cb-queen  { content: url(../../svg/pacosako-theme.svg#dark_queen_right); }
+.cb-theme-pacosako .cb-dk-piece.cb-bishop { content: url(../../svg/pacosako-theme.svg#dark_bishop_right); }
+.cb-theme-pacosako .cb-dk-piece.cb-knight { content: url(../../svg/pacosako-theme.svg#dark_knight_right); }
+.cb-theme-pacosako .cb-dk-piece.cb-rook   { content: url(../../svg/pacosako-theme.svg#dark_rook_right); }
+.cb-theme-pacosako .cb-dk-piece.cb-pawn   { content: url(../../svg/pacosako-theme.svg#dark_pawn_right); }
+.cb-theme-pacosako .cb-lt-piece.cb-king   { content: url(../../svg/pacosako-theme.svg#light_king_left); }
+.cb-theme-pacosako .cb-lt-piece.cb-queen  { content: url(../../svg/pacosako-theme.svg#light_queen_left); }
+.cb-theme-pacosako .cb-lt-piece.cb-bishop { content: url(../../svg/pacosako-theme.svg#light_bishop_left); }
+.cb-theme-pacosako .cb-lt-piece.cb-knight { content: url(../../svg/pacosako-theme.svg#light_knight_left); }
+.cb-theme-pacosako .cb-lt-piece.cb-rook   { content: url(../../svg/pacosako-theme.svg#light_rook_left); }
+.cb-theme-pacosako .cb-lt-piece.cb-pawn   { content: url(../../svg/pacosako-theme.svg#light_pawn_left); }
+
+#cb_board.cb-theme-pacosako .cb-dk-piece.cb-king   { content: url(../../svg/pacosako-theme.svg#dark_king_left); }
+#cb_board.cb-theme-pacosako .cb-dk-piece.cb-queen  { content: url(../../svg/pacosako-theme.svg#dark_queen_left); }
+#cb_board.cb-theme-pacosako .cb-dk-piece.cb-bishop { content: url(../../svg/pacosako-theme.svg#dark_bishop_left); }
+#cb_board.cb-theme-pacosako .cb-dk-piece.cb-knight { content: url(../../svg/pacosako-theme.svg#dark_knight_left); }
+#cb_board.cb-theme-pacosako .cb-dk-piece.cb-rook   { content: url(../../svg/pacosako-theme.svg#dark_rook_left); }
+#cb_board.cb-theme-pacosako .cb-dk-piece.cb-pawn   { content: url(../../svg/pacosako-theme.svg#dark_pawn_left); }
+#cb_board.cb-theme-pacosako .cb-lt-piece.cb-king   { content: url(../../svg/pacosako-theme.svg#light_king_right); }
+#cb_board.cb-theme-pacosako .cb-lt-piece.cb-queen  { content: url(../../svg/pacosako-theme.svg#light_queen_right); }
+#cb_board.cb-theme-pacosako .cb-lt-piece.cb-bishop { content: url(../../svg/pacosako-theme.svg#light_bishop_right); }
+#cb_board.cb-theme-pacosako .cb-lt-piece.cb-knight { content: url(../../svg/pacosako-theme.svg#light_knight_right); }
+#cb_board.cb-theme-pacosako .cb-lt-piece.cb-rook   { content: url(../../svg/pacosako-theme.svg#light_rook_right); }
+#cb_board.cb-theme-pacosako .cb-lt-piece.cb-pawn   { content: url(../../svg/pacosako-theme.svg#light_pawn_right); }
 
 .cb-theme-pacosako .cb-piece {
    position: absolute;
-   top: 10%;
-   width: calc(55% * 80 / 65);
-   height: 80%;
-}
-
-#cb_board.cb-theme-pacosako .cb-lt-piece {
-   left: 0;
+   top: 0;
+	 left: 0;
 	 right: auto;
+	 bottom: auto;
+   width: 100%;
+   height: 100%;
 }
 
-#cb_board.cb-theme-pacosako .cb-dk-piece {
-	 left: auto;
-   right: 0;
-}
-
+#cb_board.cb-theme-pacosako.cb-reversed .cb-lt-piece,
 #cb_board.cb-theme-pacosako.cb-reversed .cb-lt-piece {
-   right: 0;
-	 left: auto;
-}
-
-#cb_board.cb-theme-pacosako.cb-reversed .cb-dk-piece {
-   left: 0;
+	 left: 0;
 	 right: auto;
 }
 
-#cb_board.cb-theme-pacosako #cb_phantom .cb-piece {
-   top: 15%;
-	 left: calc((100% - (55% * 80 / 65)) / 2);
+#cb_board.cb-theme-pacosako #cb_phantom .cb-lt-piece,
+#cb_board.cb-theme-pacosako.cb-reversed #cb_phantom .cb-dk-piece {
+   top: 5%;
+	 left: 15%;
    right: auto;
 }
+
+#cb_board.cb-theme-pacosako #cb_phantom .cb-dk-piece,
+#cb_board.cb-theme-pacosako.cb-reversed #cb_phantom .cb-lt-piece {
+   top: 5%;
+	 left: auto;
+	 right: 15%;
+}
diff --git a/index.html b/index.html
index 2fdb6fd..4b60f93 100644
--- a/index.html
+++ b/index.html
@@ -258,18 +258,18 @@
 				<div id="cb_phantom" class="cb-phantom"></div>
 
 				<div id="cb_pieces" style="display: none">
-					<div id="cb_piece_kd" class="cb-piece cb-dk-piece cb-king"   ><img src="<%=require('./svg/Chess_kdt45.svg')%>" alt="kd"></div>
-					<div id="cb_piece_qd" class="cb-piece cb-dk-piece cb-queen"  ><img src="<%=require('./svg/Chess_qdt45.svg')%>" alt="qd"></div>
-					<div id="cb_piece_rd" class="cb-piece cb-dk-piece cb-rook"   ><img src="<%=require('./svg/Chess_rdt45.svg')%>" alt="rd"></div>
-					<div id="cb_piece_nd" class="cb-piece cb-dk-piece cb-knight" ><img src="<%=require('./svg/Chess_ndt45.svg')%>" alt="nd"></div>
-					<div id="cb_piece_bd" class="cb-piece cb-dk-piece cb-bishop" ><img src="<%=require('./svg/Chess_bdt45.svg')%>" alt="bd"></div>
-					<div id="cb_piece_pd" class="cb-piece cb-dk-piece cb-pawn"   ><img src="<%=require('./svg/Chess_pdt45.svg')%>" alt="pd"></div>
-					<div id="cb_piece_kl" class="cb-piece cb-lt-piece cb-king"   ><img src="<%=require('./svg/Chess_klt45.svg')%>" alt="kl"></div>
-					<div id="cb_piece_ql" class="cb-piece cb-lt-piece cb-queen"  ><img src="<%=require('./svg/Chess_qlt45.svg')%>" alt="ql"></div>
-					<div id="cb_piece_rl" class="cb-piece cb-lt-piece cb-rook"   ><img src="<%=require('./svg/Chess_rlt45.svg')%>" alt="rl"></div>
-					<div id="cb_piece_nl" class="cb-piece cb-lt-piece cb-knight" ><img src="<%=require('./svg/Chess_nlt45.svg')%>" alt="nl"></div>
-					<div id="cb_piece_bl" class="cb-piece cb-lt-piece cb-bishop" ><img src="<%=require('./svg/Chess_blt45.svg')%>" alt="bl"></div>
-					<div id="cb_piece_pl" class="cb-piece cb-lt-piece cb-pawn"   ><img src="<%=require('./svg/Chess_plt45.svg')%>" alt="pl"></div>
+					<div id="cb_piece_kd" class="cb-piece cb-dk-piece cb-king"   ><img src="<%=require('./svg/traditional-theme.svg')%>#dark_king_right"   alt="kd"></div>
+					<div id="cb_piece_qd" class="cb-piece cb-dk-piece cb-queen"  ><img src="<%=require('./svg/traditional-theme.svg')%>#dark_queen_right"  alt="qd"></div>
+					<div id="cb_piece_bd" class="cb-piece cb-dk-piece cb-bishop" ><img src="<%=require('./svg/traditional-theme.svg')%>#dark_bishop_right" alt="bd"></div>
+					<div id="cb_piece_nd" class="cb-piece cb-dk-piece cb-knight" ><img src="<%=require('./svg/traditional-theme.svg')%>#dark_knight_right" alt="nd"></div>
+					<div id="cb_piece_rd" class="cb-piece cb-dk-piece cb-rook"   ><img src="<%=require('./svg/traditional-theme.svg')%>#dark_rook_right"   alt="rd"></div>
+					<div id="cb_piece_pd" class="cb-piece cb-dk-piece cb-pawn"   ><img src="<%=require('./svg/traditional-theme.svg')%>#dark_pawn_right"   alt="pd"></div>
+					<div id="cb_piece_kl" class="cb-piece cb-lt-piece cb-king"   ><img src="<%=require('./svg/traditional-theme.svg')%>#light_king_left"   alt="kl"></div>
+					<div id="cb_piece_ql" class="cb-piece cb-lt-piece cb-queen"  ><img src="<%=require('./svg/traditional-theme.svg')%>#light_queen_left"  alt="ql"></div>
+					<div id="cb_piece_bl" class="cb-piece cb-lt-piece cb-bishop" ><img src="<%=require('./svg/traditional-theme.svg')%>#light_bishop_left" alt="bl"></div>
+					<div id="cb_piece_nl" class="cb-piece cb-lt-piece cb-knight" ><img src="<%=require('./svg/traditional-theme.svg')%>#light_knight_left" alt="nl"></div>
+					<div id="cb_piece_rl" class="cb-piece cb-lt-piece cb-rook"   ><img src="<%=require('./svg/traditional-theme.svg')%>#light_rook_left"   alt="rl"></div>
+					<div id="cb_piece_pl" class="cb-piece cb-lt-piece cb-pawn"   ><img src="<%=require('./svg/traditional-theme.svg')%>#light_pawn_left"   alt="pl"></div>
 				</div>
 			</div>
 		</div>
diff --git a/svg/pacosako-theme.svg b/svg/pacosako-theme.svg
new file mode 100644
index 0000000..6abaf7b
--- /dev/null
+++ b/svg/pacosako-theme.svg
@@ -0,0 +1,217 @@
+<?xml version="1.0"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="80pt" height="80pt" viewBox="0 0 28.222 28.222">
+  <style>
+    .piece { display: none !important }
+    .piece:target { display: inline !important }
+  </style>
+  <defs>
+    <symbol id="sym_light_rook_left">
+      <g transform="translate(-.851 -271.208)">
+        <path d="M3.528 278.656a.704.704 0 00-.706.706v9.524c0 .391.315.706.706.706H12.7c.39 0 .705-.315.705-.706v-9.524a.704.704 0 00-.705-.706h-.706v3.528a.352.352 0 01-.352.353h-.706a.352.352 0 01-.353-.353v-3.528H8.996v3.528a.352.352 0 01-.353.353H7.584a.352.352 0 01-.352-.353v-3.528H5.645v3.528a.352.352 0 01-.353.353h-.706a.352.352 0 01-.353-.353v-3.528z" fill="#fff" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width=".529"/>
+        <rect x="3.881" y="290.18" width="8.467" height="1.674" rx=".706" ry=".706" fill="#fff" stroke="#000004" stroke-linecap="round" stroke-linejoin="round" stroke-width=".529"/>
+        <path d="M1.764 293.47c5.292 0 11.642 0 16.294 2.502-5.71.673-13.824-.385-16.294-2.502z" fill="#fff" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="bevel" stroke-width=".529"/>
+        <path d="M2.822 287.83h10.583" fill="none" stroke="#000" stroke-width=".706"/>
+      </g>
+    </symbol>
+    <symbol id="sym_light_pawn_right">
+      <g transform="matrix(-1 0 0 1 29.122 -271.21)" fill="#fff" stroke="#000" stroke-linecap="round" stroke-width=".529">
+        <path d="M1.764 293.47c5.292 0 11.642 0 16.294 2.502-5.71.673-13.824-.385-16.294-2.502z" fill-rule="evenodd" stroke-linejoin="bevel"/>
+        <rect x="4.939" y="290.65" width="6.703" height="1.411" rx=".353" ry=".353" stroke-linejoin="round"/>
+        <circle cx="8.29" cy="284.87" r="4.586" stroke-linejoin="round"/>
+      </g>
+    </symbol>
+    <symbol id="sym_light_knight_left">
+      <g fill="#fff" fill-rule="evenodd" stroke="#000" stroke-width=".529">
+        <path d="M.912 22.262c5.292 0 11.642 0 16.294 2.502-5.71.673-13.824-.386-16.294-2.502z" stroke-linecap="round" stroke-linejoin="bevel"/>
+        <path d="M3.756 19.052C2.61 16.9 1.86 15.193 1.908 12.223c.047-2.97 1.567-5.098 2.923-5.987 1.357-.888 3.62-1.53 4.548-.7.274.246.583-.008.787.278.096.133.243.516.208.563-.07.093-.702.444-1.427.537-.725.094-3.204.304-4.186 2.526-.982 2.222-1.192 4.654-1.005 9.612z"/>
+        <path d="M1.97 20.852h10.232s-2.47-2.823-3.175-3.88c-.706-1.06-1.047-3.298-.673-3.628.584-.514 1.77.524 2.122.877.353.352.91 1.045 1.373.986.548-.07.992-.554 1.058-1.058.05-.373-.385-1.156-.705-1.764-.368-.698-.992-1.615-1.059-2.304-.033-.351-.046-.821-.066-1.158-.024-.407-.95-.535-1.279-1.273-.15-.338-.15-.429-.314-.678-.282-.429-.562-.165-.893-.298-.33-.132-.86-2.182-.959-2.38-.11-.223-.315-.22-.413-.026-.224.447-.646 2.187-.753 2.39-.138.262-.984.43-1.802 1.323-.85.927-1.761 2.464-1.761 4.862 0 2.397.314 5.225.132 5.87-.182.645-.711.728-1.064.728v1.41z"/>
+      </g>
+    </symbol>
+    <symbol id="sym_light_bishop_left">
+      <g fill="#fff" stroke="#000" stroke-linecap="round" stroke-width=".529">
+        <path d="M.912 22.262c5.292 0 11.642 0 16.294 2.502-5.71.673-13.824-.386-16.294-2.502z" fill-rule="evenodd" stroke-linejoin="bevel"/>
+        <path d="M9.38 19.442h2.116c.196 0 .353.157.353.352v.706a.352.352 0 01-.353.353H3.03a.352.352 0 01-.353-.353v-.706c0-.195.157-.352.353-.352h2.116s-1.92-1.804-2.178-3.412c-.359-3.526 2.167-6.617 3.68-9.64.17-.339-.555.189-.8-.354-.132-.295.083-.777.357-1.058.279-.286.936-.706 1.058-.706s.758.406 1.058.706c.3.3.43.766.353 1.058-.148.568-.982 0-.811.353.522 1.082 1.165 1.475 1.87 3.528l-2.117 2.117.705 1.41 2.117-2.116c1.058 1.411 1.45 3.434 1.037 5.184-.308 1.305-2.096 2.93-2.096 2.93z" stroke-linejoin="round"/>
+      </g>
+    </symbol>
+    <symbol id="sym_light_queen_left">
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+    <symbol id="sym_dark_king_left">
+      <g transform="matrix(-1 0 0 1 18.548 -271.21)">
+        <path d="M11.462 274.42c.098 0 .176.079.176.176v.53h.53c.097 0 .176.078.176.176v.353a.176.176 0 01-.177.176h-.529v.706h-.705v-.706h-.53a.176.176 0 01-.176-.176v-.353c0-.098.079-.177.177-.177h.529v-.529c0-.097.078-.176.176-.176zm.176 2.822h-.705z" stroke="#fff" stroke-linecap="round" stroke-width=".265"/>
+        <path d="M13.402 278.3v-1.411a.352.352 0 00-.353-.353H9.521a.352.352 0 00-.352.353v1.411" stroke="#fff" stroke-linecap="round" stroke-linejoin="round" stroke-width=".353"/>
+        <path d="M15.166 289.94l2.822-10.583h-1.764v-1.058H6.7v1.058H4.935l2.47 10.583z" fill="#070707" fill-rule="evenodd" stroke="#fefefe" stroke-linejoin="round" stroke-width=".353"/>
+        <rect transform="scale(-1 1)" x="-16.93" y="289.94" width="11.289" height="2.469" rx=".706" ry=".706" stroke="#fff" stroke-linecap="round" stroke-linejoin="round" stroke-width=".353"/>
+        <path d="M17.636 293.47c-5.292 0-11.642 0-16.294 2.502 5.71.673 13.824-.385 16.294-2.502z" fill-rule="evenodd" stroke="#fff" stroke-linecap="round" stroke-linejoin="bevel" stroke-width=".353"/>
+        <path transform="translate(0 274.07)" d="M11.461 5.84l.53.637v1.637h1.763v1.059H11.99v2.822h-1.058V9.173H9.168V8.114h1.764V6.477z" color="#000" fill="#fff"/>
+      </g>
+    </symbol>
+  </defs>
+  <use id="dark_king_left" class="piece" xlink:href="#sym_dark_king_left"/>
+  <use id="dark_queen_left" class="piece" xlink:href="#sym_dark_queen_left"/>
+  <use id="dark_bishop_left" class="piece" xlink:href="#sym_dark_bishop_left"/>
+  <use id="dark_knight_left" class="piece" xlink:href="#sym_dark_knight_left"/>
+  <use id="dark_rook_left" class="piece" xlink:href="#sym_dark_rook_left"/>
+  <use id="dark_pawn_left" class="piece" xlink:href="#sym_dark_pawn_left"/>
+  <use id="light_king_right" class="piece" xlink:href="#sym_light_king_right"/>
+  <use id="light_queen_right" class="piece" xlink:href="#sym_light_queen_right"/>
+  <use id="light_bishop_right" class="piece" xlink:href="#sym_light_bishop_right"/>
+  <use id="light_knight_right" class="piece" xlink:href="#sym_light_knight_right"/>
+  <use id="light_rook_right" class="piece" xlink:href="#sym_light_rook_right"/>
+  <use id="light_pawn_right" class="piece" xlink:href="#sym_light_pawn_right"/>
+  <use id="dark_king_right" class="piece" xlink:href="#sym_dark_king_right"/>
+  <use id="dark_queen_right" class="piece" xlink:href="#sym_dark_queen_right"/>
+  <use id="dark_bishop_right" class="piece" xlink:href="#sym_dark_bishop_right"/>
+  <use id="dark_knight_right" class="piece" xlink:href="#sym_dark_knight_right"/>
+  <use id="dark_rook_right" class="piece" xlink:href="#sym_dark_rook_right"/>
+  <use id="dark_pawn_right" class="piece" xlink:href="#sym_dark_pawn_right"/>
+  <use id="light_king_left" class="piece" xlink:href="#sym_light_king_left"/>
+  <use id="light_queen_left" class="piece" xlink:href="#sym_light_queen_left"/>
+  <use id="light_bishop_left" class="piece" xlink:href="#sym_light_bishop_left"/>
+  <use id="light_knight_left" class="piece" xlink:href="#sym_light_knight_left"/>
+  <use id="light_rook_left" class="piece" xlink:href="#sym_light_rook_left"/>
+  <use id="light_pawn_left" class="piece" xlink:href="#sym_light_pawn_left"/>
+</svg>
diff --git a/svg/traditional-theme.svg b/svg/traditional-theme.svg
new file mode 100644
index 0000000..5996bb8
--- /dev/null
+++ b/svg/traditional-theme.svg
@@ -0,0 +1,194 @@
+<?xml version="1.0"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="55pt" height="65pt" viewBox="0 0 19.403 22.931">
+  <style>
+   .piece { display:none !important }
+   .piece:target { display:inline!important }
+  </style>
+  <defs>
+    <symbol id="sym_dark_rook_left" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
+      <path d="M9 39h27v-3H9zm3.5-7l1.5-2.5h17l1.5 2.5zm-.5 4v-4h21v4z" stroke-linecap="butt" transform="matrix(-.42025 0 0 .41214 18.275 2.488)"/>
+      <path d="M14 29.5v-13h17v13z" stroke-linecap="butt" stroke-linejoin="miter" transform="matrix(-.42025 0 0 .41214 18.275 2.488)"/>
+      <path d="M14 16.5L11 14h23l-3 2.5zM11 14V9h4v2h5V9h5v2h5V9h4v5z" stroke-linecap="butt" transform="matrix(-.42025 0 0 .41214 18.275 2.488)"/>
+      <path d="M12 35.5h21m-20-4h19m-18-2h17m-17-13h17M11 14h23" fill="none" stroke="#fff" stroke-linejoin="miter" stroke-width="1.01" transform="matrix(-.42025 0 0 .41214 18.275 2.488)"/>
+    </symbol>
+    <symbol id="sym_dark_pawn_right" stroke-width="1.01" viewBox="0 0 19.403 22.931">
+      <path d="M-7.219 36.174a1.058 1.058 0 00-.852 1.688 1.708 1.708 0 00-.23 2.818c-.794.28-1.96 1.468-1.96 3.564h6.085c0-2.096-1.167-3.284-1.96-3.564a1.708 1.708 0 00-.23-2.818 1.058 1.058 0 00-.852-1.688z" stroke="#000" stroke-linecap="round" stroke-width=".401" transform="matrix(1.5883 0 0 1.5577 22.049 -50.357)"/>
+    </symbol>
+    <symbol id="sym_dark_knight_left" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
+      <path d="M22 10c10.5 1 16.5 8 16 29H15c0-9 10-6.5 8-21" fill="#000" transform="matrix(-.42025 0 0 .41214 18.071 2.488)"/>
+      <path d="M24 18c.38 2.91-5.55 7.37-8 9-3 2-2.82 4.34-5 4-1.042-.94 1.41-3.04 0-3-1 0 .19 1.23-1 2-1 0-4.003 1-4-4 0-2 6-12 6-12s1.89-1.9 2-3.5c-.73-.994-.5-2-.5-3 1-1 3 2.5 3 2.5h2s.78-1.992 2.5-3c1 0 1 3 1 3" fill="#000" transform="matrix(-.42025 0 0 .41214 18.071 2.488)"/>
+      <path d="M9.5 25.5a.5.5 0 11-1 0 .5.5 0 111 0z" fill="#fff" stroke="#fff" transform="matrix(-.42025 0 0 .41214 18.071 2.488)"/>
+      <path transform="matrix(-.36394 .20607 .21013 .35691 13.998 .356)" d="M15 15.5a.5 1.5 0 11-1 0 .5 1.5 0 111 0z" fill="#fff" stroke="#fff"/>
+      <path d="M24.55 10.4l-.45 1.45.5.15c3.15 1 5.65 2.49 7.9 6.75S35.75 29.06 35.25 39l-.05.5h2.25l.05-.5c.5-10.06-.88-16.85-3.25-21.34s-5.79-6.64-9.19-7.16z" fill="#fff" stroke="none" transform="matrix(-.42025 0 0 .41214 18.071 2.488)"/>
+    </symbol>
+    <symbol id="sym_dark_bishop_left" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
+      <g fill="#000" stroke-linecap="butt">
+        <path d="M9 36c3.39-.97 10.11.43 13.5-2 3.39 2.43 10.11 1.03 13.5 2 0 0 1.65.54 3 2-.68.97-1.65.99-3 .5-3.39-.97-10.11.46-13.5-1-3.39 1.46-10.11.03-13.5 1-1.354.49-2.323.47-3-.5 1.354-1.94 3-2 3-2z" transform="matrix(-.42025 0 0 .41214 18.275 2.564)"/>
+        <path d="M15 32c2.5 2.5 12.5 2.5 15 0 .5-1.5 0-2 0-2 0-2.5-2.5-4-2.5-4 5.5-1.5 6-11.5-5-15.5-11 4-10.5 14-5 15.5 0 0-2.5 1.5-2.5 4 0 0-.5.5 0 2z" transform="matrix(-.42025 0 0 .41214 18.275 2.564)"/>
+        <path d="M25 8a2.5 2.5 0 11-5 0 2.5 2.5 0 115 0z" transform="matrix(-.42025 0 0 .41214 18.275 2.564)"/>
+      </g>
+      <path d="M17.5 26h10M15 30h15m-7.5-14.5v5M20 18h5" stroke="#fff" stroke-linejoin="miter" transform="matrix(-.42025 0 0 .41214 18.275 2.564)"/>
+    </symbol>
+    <symbol id="sym_dark_queen_left" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
+      <g stroke="none" transform="matrix(-.42025 0 0 .41214 18.275 1.893)">
+        <circle cx="6" cy="12" r="2.75"/>
+        <circle cx="14" cy="9" r="2.75"/>
+        <circle cx="22.5" cy="8" r="2.75"/>
+        <circle cx="31" cy="9" r="2.75"/>
+        <circle cx="39" cy="12" r="2.75"/>
+      </g>
+      <path d="M9 26c8.5-1.5 21-1.5 27 0l2.5-12.5L31 25l-.3-14.1-5.2 13.6-3-14.5-3 14.5-5.2-13.6L14 25 6.5 13.5z" stroke-linecap="butt" transform="matrix(-.42025 0 0 .41214 18.275 1.893)"/>
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+    </symbol>
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+    </symbol>
+    <symbol id="sym_light_pawn_left" viewBox="0 0 19.403 22.931">
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+      <path d="M3.987 8.053h9.666" fill="none" stroke-linejoin="miter" stroke-width=".630375"/>
+    </symbol>
+    <symbol id="sym_light_knight_left" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" viewBox="0 0 19.403 22.931">
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+    <symbol id="sym_dark_bishop_right" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
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+      </g>
+      <path d="M17.5 26h10M15 30h15m-7.5-14.5v5M20 18h5" stroke="#fff" stroke-linejoin="miter" transform="matrix(.42025 0 0 .41214 1.128 2.564)"/>
+    </symbol>
+    <symbol id="sym_dark_queen_right" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
+      <g stroke="none" transform="matrix(.42025 0 0 .41214 1.128 1.893)">
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+        <circle cx="22.5" cy="8" r="2.75"/>
+        <circle cx="31" cy="9" r="2.75"/>
+        <circle cx="39" cy="12" r="2.75"/>
+      </g>
+      <path d="M9 26c8.5-1.5 21-1.5 27 0l2.5-12.5L31 25l-.3-14.1-5.2 13.6-3-14.5-3 14.5-5.2-13.6L14 25 6.5 13.5z" stroke-linecap="butt" transform="matrix(.42025 0 0 .41214 1.128 1.893)"/>
+      <path d="M9 26c0 2 1.5 2 2.5 4 1 1.5 1 1 .5 3.5-1.5 1-1.5 2.5-1.5 2.5-1.5 1.5.5 2.5.5 2.5 6.5 1 16.5 1 23 0 0 0 1.5-1 0-2.5 0 0 .5-1.5-1-2.5-.5-2.5-.5-2 .5-3.5 1-2 2.5-2 2.5-4-8.5-1.5-18.5-1.5-27 0z" stroke-linecap="butt" transform="matrix(.42025 0 0 .41214 1.128 1.893)"/>
+      <path d="M11 38.5a35 35 1 0023 0" fill="none" stroke-linecap="butt" transform="matrix(.42025 0 0 .41214 1.128 1.893)"/>
+      <path d="M11 29a35 35 1 0123 0m-21.5 2.5h20m-21 3a35 35 1 0022 0m-23 3a35 35 1 0024 0" fill="none" stroke="#fff" transform="matrix(.42025 0 0 .41214 1.128 1.893)"/>
+    </symbol>
+    <symbol id="sym_dark_king_right" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.515" viewBox="0 0 19.403 22.931">
+      <path d="M22.5 11.63V6" stroke-linejoin="miter" transform="matrix(.42025 0 0 .41214 1.141 2.231)"/>
+      <path d="M22.5 25s4.5-7.5 3-10.5c0 0-1-2.5-3-2.5s-3 2.5-3 2.5c-1.5 3 3 10.5 3 10.5" fill="#000" stroke-linecap="butt" stroke-linejoin="miter" transform="matrix(.42025 0 0 .41214 1.141 2.231)"/>
+      <path d="M11.5 37c5.5 3.5 15.5 3.5 21 0v-7s9-4.5 6-10.5c-4-6.5-13.5-3.5-16 4V27v-3.5c-3.5-7.5-13-10.5-16-4-3 6 5 10 5 10z" fill="#000" transform="matrix(.42025 0 0 .41214 1.141 2.231)"/>
+      <path d="M20 8h5" stroke-linejoin="miter" transform="matrix(.42025 0 0 .41214 1.141 2.231)"/>
+      <path d="M32 29.5s8.5-4 6.03-9.65C34.15 14 25 18 22.5 24.5l.01 2.1-.01-2.1C20 18 9.906 14 6.997 19.85c-2.497 5.65 4.853 9 4.853 9" stroke="#fff" transform="matrix(.42025 0 0 .41214 1.141 2.231)"/>
+      <path d="M11.5 30c5.5-3 15.5-3 21 0m-21 3.5c5.5-3 15.5-3 21 0m-21 3.5c5.5-3 15.5-3 21 0" stroke="#fff" transform="matrix(.42025 0 0 .41214 1.141 2.231)"/>
+    </symbol>
+    <symbol id="sym_light_pawn_right" viewBox="0 0 19.403 22.931">
+      <path d="M10.585 5.74a1.68 1.68 0 011.353 2.68 2.724 2.724 0 011.378 2.363c0 .853-.395 1.613-1.012 2.114 1.26.445 3.114 2.332 3.114 5.66H5.752c0-3.328 1.853-5.215 3.114-5.66a2.713 2.713 0 01-1.013-2.114c0-1.013.56-1.891 1.379-2.362a1.68 1.68 0 011.353-2.681z" fill="#fff" stroke="#000" stroke-linecap="round" stroke-width=".631"/>
+    </symbol>
+    <symbol id="sym_light_rook_right" fill="#fff" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" viewBox="0 0 19.403 22.931">
+      <path d="M16.257 18.559H4.91v-1.261h11.347zm-1.261-1.261v-1.681H6.171v1.681zm.42-9.245V5.95h-1.68v.84h-2.102v-.84H9.533v.84H7.432v-.84H5.75v2.102" stroke-linecap="butt" stroke-width=".630375"/>
+      <path d="M5.75 8.053l1.261 1.26h7.145l1.26-1.26" stroke-width=".630375"/>
+      <path d="M7.011 9.313v5.253h7.145V9.313" stroke-linecap="butt" stroke-linejoin="miter" stroke-width=".630375"/>
+      <path d="M7.011 14.566l-.63 1.051h8.405l-.63-1.05" stroke-width=".630375"/>
+      <path d="M15.416 8.053H5.751" fill="none" stroke-linejoin="miter" stroke-width=".630375"/>
+    </symbol>
+    <symbol id="sym_light_knight_right" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" viewBox="0 0 19.403 22.931">
+      <path d="M10.578 6.372c4.412.42 6.934 3.362 6.724 12.187H7.636c0-3.782 4.202-2.732 3.362-8.825" fill="#fff" stroke-width=".630375"/>
+      <path d="M11.418 9.734c.16 1.222-2.332 3.097-3.362 3.782-1.26.84-1.185 1.824-2.101 1.68-.438-.394.592-1.277 0-1.26-.42 0 .08.517-.42.84-.42 0-1.683.42-1.681-1.68 0-.841 2.521-5.043 2.521-5.043s.794-.799.84-1.471c-.306-.418-.21-.84-.21-1.261.42-.42 1.261 1.05 1.261 1.05h.84s.328-.837 1.051-1.26c.42 0 .42 1.26.42 1.26" fill="#fff" stroke-width=".630375"/>
+      <path d="M5.324 12.885a.21.21 0 11-.42 0 .21.21 0 11.42 0z" fill="#000" stroke-width=".630375"/>
+      <path d="M7.607 8.789a.21.63 30.001 11-.364-.21.21.63 30.001 11.364.21z" fill="#000" stroke-width=".63036"/>
+    </symbol>
+    <symbol id="sym_light_bishop_right" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" viewBox="0 0 19.403 22.931">
+      <g fill="#fff" stroke-linecap="butt">
+        <path d="M16.257 17.375c-1.425-.408-4.249.18-5.674-.84-1.424 1.02-4.248.432-5.673.84 0 0-.693.227-1.26.84.285.408.693.417 1.26.21 1.425-.407 4.249.194 5.673-.42 1.425.614 4.25.013 5.674.42.569.207.976.198 1.26-.21-.569-.815-1.26-.84-1.26-.84z" stroke-width=".630375"/>
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+        <path d="M9.533 5.608a1.05 1.05 0 102.101 0 1.05 1.05 0 10-2.101 0z" stroke-width=".630375"/>
+      </g>
+      <path d="M12.685 13.173H8.482m5.253 1.68H7.432m3.151-6.093v2.101m1.051-1.05H9.533" stroke-linejoin="miter" stroke-width=".630375"/>
+    </symbol>
+    <symbol id="sym_light_queen_right" fill="#fff" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" viewBox="0 0 19.403 22.931">
+      <path d="M16.678 7.105a.84.84 0 101.68 0 .84.84 0 10-1.68 0zM9.743 5.213a.84.84 0 101.68 0 .84.84 0 10-1.68 0zM2.809 7.105a.84.84 0 101.68 0 .84.84 0 10-1.68 0zM13.315 5.633a.84.84 0 101.68 0 .84.84 0 10-1.68 0zM6.17 5.844a.84.84 0 101.682 0 .84.84 0 10-1.681 0z" stroke-width=".630375"/>
+      <path d="M16.257 12.989c-3.572-.63-8.826-.63-11.347 0l-.84-5.043 2.941 4.622V6.685l2.312 5.673 1.26-6.304 1.261 6.304 2.311-5.883v6.093l2.942-4.622z" stroke-linecap="butt" stroke-width=".630375"/>
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+      <path d="M15.206 14.67c-1.47-.42-7.774-.42-9.245 0m9.035 1.47c-2.522-.42-6.304-.42-8.825 0" fill="none" stroke-width=".630375"/>
+    </symbol>
+    <symbol id="sym_light_king_right" fill="none" fill-rule="evenodd" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" viewBox="0 0 19.403 22.931">
+      <path d="M10.57 6.794V4.427m1.051.841H9.52" stroke-linejoin="miter" stroke-width=".630375"/>
+      <path d="M10.57 12.412S8.68 9.26 9.31 8c0 0 .42-1.051 1.26-1.051s1.261 1.05 1.261 1.05c.63 1.261-1.26 4.413-1.26 4.413" fill="#fff" stroke-linecap="butt" stroke-linejoin="miter" stroke-width=".630375"/>
+      <path d="M15.193 17.455c-2.311 1.471-6.514 1.471-8.825 0v-2.941S2.586 12.622 3.846 10.1C5.527 7.369 9.52 8.63 10.57 11.78v1.472-1.471c1.471-3.152 5.464-4.413 6.724-1.681 1.261 2.521-2.1 4.202-2.1 4.202z" fill="#fff" stroke-width=".630375"/>
+      <path d="M15.193 14.513c-2.311-1.26-6.514-1.26-8.825 0m8.825 1.471c-2.311-1.26-6.514-1.26-8.825 0m8.825 1.471c-2.311-1.26-6.514-1.26-8.825 0" stroke-width=".630375"/>
+    </symbol>
+  </defs>
+  <use id="dark_pawn_left" class="piece" xlink:href="#sym_dark_pawn_left"/>
+  <use id="dark_rook_left" class="piece" xlink:href="#sym_dark_rook_left"/>
+  <use id="dark_knight_left" class="piece" xlink:href="#sym_dark_knight_left"/>
+  <use id="dark_bishop_left" class="piece" xlink:href="#sym_dark_bishop_left"/>
+  <use id="dark_queen_left" class="piece" xlink:href="#sym_dark_queen_left"/>
+  <use id="dark_king_left" class="piece" xlink:href="#sym_dark_king_left"/>
+  <use id="light_pawn_left" class="piece" xlink:href="#sym_light_pawn_left"/>
+  <use id="light_rook_left" class="piece" xlink:href="#sym_light_rook_left"/>
+  <use id="light_knight_left" class="piece" xlink:href="#sym_light_knight_left"/>
+  <use id="light_bishop_left" class="piece" xlink:href="#sym_light_bishop_left"/>
+  <use id="light_queen_left" class="piece" xlink:href="#sym_light_queen_left"/>
+  <use id="light_king_left" class="piece" xlink:href="#sym_light_king_left"/>
+  <use id="dark_pawn_right" class="piece" xlink:href="#sym_dark_pawn_right"/>
+  <use id="dark_rook_right" class="piece" xlink:href="#sym_dark_rook_right"/>
+  <use id="dark_knight_right" class="piece" xlink:href="#sym_dark_knight_right"/>
+  <use id="dark_bishop_right" class="piece" xlink:href="#sym_dark_bishop_right"/>
+  <use id="dark_queen_right" class="piece" xlink:href="#sym_dark_queen_right"/>
+  <use id="dark_king_right" class="piece" xlink:href="#sym_dark_king_right"/>
+  <use id="light_pawn_right" class="piece" xlink:href="#sym_light_pawn_right"/>
+  <use id="light_rook_right" class="piece" xlink:href="#sym_light_rook_right"/>
+  <use id="light_knight_right" class="piece" xlink:href="#sym_light_knight_right"/>
+  <use id="light_bishop_right" class="piece" xlink:href="#sym_light_bishop_right"/>
+  <use id="light_queen_right" class="piece" xlink:href="#sym_light_queen_right"/>
+  <use id="light_king_right" class="piece" xlink:href="#sym_light_king_right"/>
+</svg>
diff --git a/webpack.config.js b/webpack.config.js
index 6d0ace9..65976f6 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -48,7 +48,21 @@ module.exports = {
               outputPath: 'assets/'
             }
           },
-          { loader: "svgo-loader" }
+          {
+            loader: "svgo-loader",
+            options: {
+              plugins: [
+                {
+                  cleanupIDs: {
+                    preserve_prefix: [
+                      "light_",
+                      "dark_"
+                    ]
+                  }
+                }
+              ]
+            }
+          }
         ]
       },
       {