Minor: make doc shelve's background transparent to look less alien in dark mode.

docs/src/assets/shelve.svg

@@ -28,23 +28,23 @@
      inkscape:deskcolor="#d1d1d1"
      inkscape:document-units="px"
      showgrid="false"
-     inkscape:zoom="0.99355055"
-     inkscape:cx="588.29417"
-     inkscape:cy="208.3437"
-     inkscape:window-width="1920"
-     inkscape:window-height="1131"
-     inkscape:window-x="0"
-     inkscape:window-y="0"
-     inkscape:window-maximized="1"
+     inkscape:zoom="1.2136585"
+     inkscape:cx="111.23393"
+     inkscape:cy="257.07396"
+     inkscape:window-width="1439"
+     inkscape:window-height="829"
+     inkscape:window-x="26"
+     inkscape:window-y="23"
+     inkscape:window-maximized="0"
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      id="defs2"><filter
        style="color-interpolation-filters:sRGB"
        inkscape:label="Drop Shadow"
        id="filter1582"
-       x="-0.18250777"
-       y="-0.40478126"
-       width="1.3650155"
-       height="1.8095625"><feFlood
+       x="-0.17050494"
+       y="-0.35969597"
+       width="1.3410099"
+       height="1.7193919"><feFlood
          flood-opacity="0.894118"
          flood-color="rgb(0,0,0)"
          result="flood"
@@ -55,7 +55,7 @@
          result="composite1"
          id="feComposite1574" /><feGaussianBlur
          in="composite1"
-         stdDeviation="22.1043"
+         stdDeviation="20.200089"
          result="blur"
          id="feGaussianBlur1576" /><feOffset
          dx="0"
@@ -292,19 +292,11 @@
      inkscape:label="Layer 1"
      inkscape:groupmode="layer"
      id="layer1"
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-       width="344.52109"
-       height="201.93906"
-       x="-122.93537"
-       y="8.7535629"
-       rx="2.2686677"
-       ry="2.645833" /><path
-       style="display:inline;opacity:0.687442;fill:#0073aa;fill-opacity:1;stroke-width:0.89941;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:40;filter:url(#filter1582)"
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+     transform="translate(-2.8883766,-45.916767)"><path
+       style="display:inline;opacity:0.4;fill:#47a1cd;fill-opacity:1;stroke-width:0.89941;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:40;filter:url(#filter1582)"
+       d="m -478.23228,151.50554 c 48.80497,-23.28941 91.39286,-50.64575 128.29051,-60.636622 42.54253,-11.519353 92.09269,-5.939713 135.42705,-21.310768 21.11867,-7.490966 19.30731,-52.833693 19.30731,-52.833693 0,0 -32.34373,11.796911 -43.45848,16.477351 -25.74622,10.841776 -53.12814,14.371209 -80.17977,16.801345 -46.12187,4.143277 -62.83602,2.770522 -108.59464,9.739403 -19.51868,2.972628 -34.97782,8.736481 -46.82719,28.362443 -6.9402,11.494962 -5.49819,51.133571 -3.96479,63.400541 z"
        id="path1126"
-       sodipodi:nodetypes="csscssscc"
+       sodipodi:nodetypes="csscssssc"
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