diff --git a/img/filter.svg b/img/filter.svg
index 38de48d9c..293a18135 100644
--- a/img/filter.svg
+++ b/img/filter.svg
@@ -1,78 +1 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="16"
-   height="16"
-   viewBox="0 0 4.2333332 4.2333335"
-   version="1.1"
-   id="svg4524"
-   inkscape:version="0.92.4 5da689c313, 2019-01-14"
-   sodipodi:docname="filter.svg">
-  <defs
-     id="defs4518" />
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0.0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="11.2"
-     inkscape:cx="-13.015771"
-     inkscape:cy="15.433087"
-     inkscape:document-units="mm"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     units="px"
-     showguides="true"
-     inkscape:guide-bbox="true"
-     inkscape:window-width="1920"
-     inkscape:window-height="1017"
-     inkscape:window-x="0"
-     inkscape:window-y="26"
-     inkscape:window-maximized="1">
-    <sodipodi:guide
-       position="3.1773623,1.9016928"
-       orientation="0,1"
-       id="guide5088"
-       inkscape:locked="false" />
-  </sodipodi:namedview>
-  <metadata
-     id="metadata4521">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     inkscape:label="Ebene 1"
-     inkscape:groupmode="layer"
-     id="layer1"
-     transform="translate(0,-292.76665)">
-    <path
-       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.09337848;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
-       d="M 0.51971728,293.23203 H 3.8033853 l -1.1728849,1.45285 H 1.6418341 Z"
-       id="rect5069"
-       inkscape:connector-curvature="0"
-       sodipodi:nodetypes="ccccc" />
-    <path
-       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.05817544;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
-       d="m 1.6418341,294.68488 h 0.9921874 v 1.86627 L 1.637658,296.09596 Z"
-       id="rect5069-7"
-       inkscape:connector-curvature="0"
-       sodipodi:nodetypes="ccccc" />
-  </g>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 4.233 4.233"><g paint-order="stroke fill markers"><path d="M.52.465h3.283L2.631 1.918h-.99zM1.642 1.918h.992v1.866l-.996-.455z"/></g></svg>