diff --git a/imgsrc/reference.svg b/imgsrc/reference.svg
index 4b6b1bd715..ba28398402 100644
--- a/imgsrc/reference.svg
+++ b/imgsrc/reference.svg
@@ -1,6 +1,4 @@
 <?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#"
@@ -9,55 +7,46 @@
    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="128"
-   height="128"
-   viewBox="0 0 33.866666 33.866668"
+   viewBox="0 0 512 512"
    version="1.1"
-   id="svg840"
-   inkscape:version="0.92.4 5da689c313, 2019-01-14"
-   sodipodi:docname="reference.svg">
-  <defs
-     id="defs834" />
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0.0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="0.98994949"
-     inkscape:cx="237.114"
-     inkscape:cy="236.75119"
-     inkscape:document-units="mm"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     units="px"
-     inkscape:window-width="2560"
-     inkscape:window-height="1400"
-     inkscape:window-x="0"
-     inkscape:window-y="40"
-     inkscape:window-maximized="0" />
+   id="svg4"
+   sodipodi:docname="reference.svg"
+   inkscape:version="0.92.4 5da689c313, 2019-01-14">
   <metadata
-     id="metadata837">
+     id="metadata10">
     <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="Layer 1"
-     inkscape:groupmode="layer"
-     id="layer1"
-     transform="translate(0,-263.13332)">
-    <path
-       inkscape:connector-curvature="0"
-       d="M 8.7798497,295.71845 H 1.3855535 v -20.36721 l 9.0289685,-10.48359 a 1.5135715,1.4801752 0 0 1 2.655827,0.73022 v 0 a 7.2651433,7.104841 0 0 1 -1.190691,5.10365 l -2.8253283,3.9866 20.7379663,0.46971 a 2.7647919,2.7037879 0 1 1 0,5.40757 l -12.157027,0.71443 -1.743642,8.71133 a 7.2651433,7.104841 0 0 1 -7.1117773,5.72729 z"
-       id="path4147"
-       style="fill:#116def;fill-opacity:1;stroke-width:0.31270596" />
-  </g>
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="2560"
+     inkscape:window-height="1400"
+     id="namedview6"
+     showgrid="false"
+     inkscape:zoom="0.4609375"
+     inkscape:cx="-292.88136"
+     inkscape:cy="256"
+     inkscape:window-x="0"
+     inkscape:window-y="40"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg4" />
+  <path
+     d="M512 199.652c0 23.625-20.65 43.826-44.8 43.826h-99.851c16.34 17.048 18.346 49.766-6.299 70.944 14.288 22.829 2.147 53.017-16.45 62.315C353.574 425.878 322.654 448 272 448c-2.746 0-13.276-.203-16-.195-61.971.168-76.894-31.065-123.731-38.315C120.596 407.683 112 397.599 112 385.786V214.261l.002-.001c.011-18.366 10.607-35.889 28.464-43.845 28.886-12.994 95.413-49.038 107.534-77.323 7.797-18.194 21.384-29.084 40-29.092 34.222-.014 57.752 35.098 44.119 66.908-3.583 8.359-8.312 16.67-14.153 24.918H467.2c23.45 0 44.8 20.543 44.8 43.826zM96 200v192c0 13.255-10.745 24-24 24H24c-13.255 0-24-10.745-24-24V200c0-13.255 10.745-24 24-24h48c13.255 0 24 10.745 24 24zM68 368c0-11.046-8.954-20-20-20s-20 8.954-20 20 8.954 20 20 20 20-8.954 20-20z"
+     id="path2"
+     style="fill:#2271d5;fill-opacity:1" />
 </svg>
diff --git a/imgsrc/srv/reference-mode.svg b/imgsrc/srv/reference-mode.svg
new file mode 100644
index 0000000000..879f66ff9a
--- /dev/null
+++ b/imgsrc/srv/reference-mode.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M512 199.652c0 23.625-20.65 43.826-44.8 43.826h-99.851c16.34 17.048 18.346 49.766-6.299 70.944 14.288 22.829 2.147 53.017-16.45 62.315C353.574 425.878 322.654 448 272 448c-2.746 0-13.276-.203-16-.195-61.971.168-76.894-31.065-123.731-38.315C120.596 407.683 112 397.599 112 385.786V214.261l.002-.001c.011-18.366 10.607-35.889 28.464-43.845 28.886-12.994 95.413-49.038 107.534-77.323 7.797-18.194 21.384-29.084 40-29.092 34.222-.014 57.752 35.098 44.119 66.908-3.583 8.359-8.312 16.67-14.153 24.918H467.2c23.45 0 44.8 20.543 44.8 43.826zM96 200v192c0 13.255-10.745 24-24 24H24c-13.255 0-24-10.745-24-24V200c0-13.255 10.745-24 24-24h48c13.255 0 24 10.745 24 24zM68 368c0-11.046-8.954-20-20-20s-20 8.954-20 20 8.954 20 20 20 20-8.954 20-20z"></path></svg>
diff --git a/resources/images/reference.png b/resources/images/reference.png
index de203aa003..6c1ac84f8f 100644
Binary files a/resources/images/reference.png and b/resources/images/reference.png differ
diff --git a/src/pyj/read_book/overlay.pyj b/src/pyj/read_book/overlay.pyj
index 4b1087ec7e..a99a86828e 100644
--- a/src/pyj/read_book/overlay.pyj
+++ b/src/pyj/read_book/overlay.pyj
@@ -259,7 +259,7 @@ class MainOverlay:  # {{{
 
         if runtime.is_standalone_viewer:
             toc_actions.appendChild(bookmarks_action)
-        toc_actions.appendChild(ac(_('Reference mode'), _('Toggle the Reference mode'), self.overlay.toggle_reference_mode, '🖝', True))
+        toc_actions.appendChild(ac(_('Reference mode'), _('Toggle the Reference mode'), self.overlay.toggle_reference_mode, 'reference-mode'))
 
         actions_div = E.div( # actions
             nav_actions,