diff --git a/umap/static/umap/base.css b/umap/static/umap/base.css
index e92d39fd..2203b1e0 100644
--- a/umap/static/umap/base.css
+++ b/umap/static/umap/base.css
@@ -278,7 +278,7 @@ input[type="file"] + .error {
     padding: 10px;
 }
 .fieldset.toggle .legend {
-    text-align: center;
+    text-align: left;
     display: block;
     cursor: pointer;
     background-color: #232729;
@@ -291,6 +291,20 @@ input[type="file"] + .error {
     font-size: 1.2em;
     padding: 0 5px;
 }
+.fieldset.toggle .legend:before {
+    background-repeat: no-repeat;
+    text-indent: 36px;
+    height: 24px;
+    line-height: 24px;
+    display: inline-block;
+    background-image: url('./img/24-white.svg');
+    vertical-align: bottom;
+    content: " ";
+    background-position: -143px -117px;
+}
+.fieldset.toggle.on .legend:before {
+    background-position: -72px -117px;
+}
 /* Switch */
 input.switch:empty {
     display: none;
diff --git a/umap/static/umap/img/24-white.svg b/umap/static/umap/img/24-white.svg
index 98e4bf9a..83f8a402 100644
--- a/umap/static/umap/img/24-white.svg
+++ b/umap/static/umap/img/24-white.svg
@@ -38,8 +38,8 @@
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   </g>
-  <path id="arrow-up" d="m33.329 32.279-2.0498 2.0596h4.0995z" fill="#f2f2f2" fill-rule="evenodd" stroke="#999" stroke-width=".046891"/>
-  <path id="arrow-down" d="m23.802 34.339 2.0498-2.0596h-4.0995z" fill="#f2f2f2" fill-rule="evenodd" stroke="#999" stroke-width=".046831"/>
+  <path id="arrow-up" d="m33.329 32.279-2.1078 2.1167h4.2333z" fill="#f2f2f2" fill-rule="evenodd" stroke="#999" stroke-width=".046891"/>
+  <path id="arrow-down" d="m23.812 34.396 2.1167-2.1167h-4.2333z" fill="#f2f2f2" fill-rule="evenodd" stroke="#999" stroke-width=".046831"/>
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@@ -58,5 +58,6 @@
    </g>
    <path id="path1286" d="m24.352 6.3088h0.03307v-3.6125h-3.7796v3.6125h0.03307zm-3.9787-4.1591h4.2439c0.06157 0 0.12062 0.024461 0.16417 0.068002s0.068 0.1026 0.068 0.16417v4.2439c0 0.061569-0.02445 0.12062-0.068 0.16417-0.04355 0.04355-0.1026 0.067998-0.16417 0.067998h-4.2439c-0.06158 0-0.12063-0.024447-0.16417-0.067998-0.04354-0.04355-0.068-0.10261-0.068-0.16417v-4.2439c0-0.061577 0.02446-0.12063 0.068-0.16417 0.04354-0.043541 0.1026-0.068002 0.16417-0.068002z" fill="#f2f2f2" stroke="#999" stroke-width=".065719"/>
   </g>
+  <path id="arrow-up-3" d="m43.921 33.337-2.1167-2.1167v4.2333z" fill="#f2f2f2" fill-rule="evenodd" stroke="#999" stroke-width=".046891"/>
  </g>
 </svg>
diff --git a/umap/static/umap/img/source/24-white.svg b/umap/static/umap/img/source/24-white.svg
index 5113d7fd..48cadbca 100644
--- a/umap/static/umap/img/source/24-white.svg
+++ b/umap/static/umap/img/source/24-white.svg
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!-- Created with Inkscape (http://www.inkscape.org/) -->
 
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-  <sodipodi:namedview id="namedview2878" pagecolor="#ffffff" bordercolor="#666666" borderopacity="1.0" inkscape:showpageshadow="2" inkscape:pageopacity="0.0" inkscape:pagecheckerboard="0" inkscape:deskcolor="#d1d1d1" inkscape:document-units="px" showgrid="true" showguides="true" inkscape:zoom="16.185242" inkscape:cx="45.319063" inkscape:cy="127.55447" inkscape:window-width="1920" inkscape:window-height="1019" inkscape:window-x="0" inkscape:window-y="0" inkscape:window-maximized="1" inkscape:current-layer="layer1">
-    <inkscape:grid type="xygrid" id="grid2997" empspacing="4" originx="0" originy="0" />
+<svg width="180" height="180" viewBox="0 0 47.624994 47.624994" version="1.1" id="svg2876" inkscape:version="1.3 (0e150ed6c4, 2023-07-21)" sodipodi:docname="24-white.svg" inkscape:export-filename="../24-white.svg" inkscape:export-xdpi="7.52" inkscape:export-ydpi="7.52" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview id="namedview2878" pagecolor="#ffffff" bordercolor="#666666" borderopacity="1.0" inkscape:showpageshadow="2" inkscape:pageopacity="0.0" inkscape:pagecheckerboard="0" inkscape:deskcolor="#d1d1d1" inkscape:document-units="px" showgrid="true" showguides="true" inkscape:zoom="8.6832784" inkscape:cx="84.06963" inkscape:cy="121.72822" inkscape:window-width="1920" inkscape:window-height="1019" inkscape:window-x="0" inkscape:window-y="0" inkscape:window-maximized="1" inkscape:current-layer="layer1">
+    <inkscape:grid type="xygrid" id="grid2997" empspacing="4" originx="0" originy="0" spacingy="0.2645833" spacingx="0.2645833" units="px" visible="true" />
     <sodipodi:guide position="9.525,47.625" orientation="-1,0" id="guide3404" inkscape:locked="false" inkscape:label="" inkscape:color="rgb(0,134,229)" />
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@@ -59,8 +59,8 @@
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       <path inkscape:connector-curvature="0" style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:Sans;-inkscape-font-specification:Sans;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;baseline-shift:baseline;text-anchor:start;display:inline;overflow:visible;visibility:visible;fill:#f2f2f2;fill-opacity:1;stroke:#999999;stroke-width:0.0661458;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker:none;enable-background:accumulate" d="m 12.989387,32.320492 v 0.355547 0.115755 l 1.876888,2.926953 h 0.636653 0.132292 v 0.132292 0.79375 0.132291 h -0.132292 -0.79375 -0.132291 v -0.132291 -0.79375 -0.09922 l -1.876888,-2.94349 h -0.636654 -0.132292 v -0.132291 -0.79375 -0.132292 h 0.132292 0.79375 0.132292 v 0.132292 0.148828 z m -0.264584,-0.305912 h -0.529166 v 0.529167 h 0.529166 z m 2.645834,3.96875 h -0.529167 v 0.529167 h 0.529167 z" id="rect4058-9-5" sodipodi:nodetypes="ccccccccccccccccccccccccccccccccccccc" />
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@@ -79,5 +79,6 @@
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