diff --git a/libs/flake/styles/markers.svg b/libs/flake/styles/markers.svg
index c7cf439dd0..93a6ce1b35 100644
--- a/libs/flake/styles/markers.svg
+++ b/libs/flake/styles/markers.svg
@@ -1,149 +1,149 @@
 <?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="210mm"
    height="297mm"
    viewBox="0 0 744.09448819 1052.3622047"
    id="svg2"
    version="1.1"
    inkscape:version="0.91 r13725"
    sodipodi:docname="markers.svg">
   <defs
      id="defs4">
     <marker
        inkscape:stockid="DotS"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="DotS"
        style="overflow:visible"
        inkscape:isstock="true">
       <path
          id="path4209"
          d="M -2.5,-1.0 C -2.5,1.7600000 -4.7400000,4.0 -7.5,4.0 C -10.260000,4.0 -12.5,1.7600000 -12.5,-1.0 C -12.5,-3.7600000 -10.260000,-6.0 -7.5,-6.0 C -4.7400000,-6.0 -2.5,-3.7600000 -2.5,-1.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.2) translate(7.4, 1)" />
     </marker>
     <marker
        inkscape:stockid="DotM"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="DotM"
        style="overflow:visible"
        inkscape:isstock="true">
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          id="path4206"
          d="M -2.5,-1.0 C -2.5,1.7600000 -4.7400000,4.0 -7.5,4.0 C -10.260000,4.0 -12.5,1.7600000 -12.5,-1.0 C -12.5,-3.7600000 -10.260000,-6.0 -7.5,-6.0 C -4.7400000,-6.0 -2.5,-3.7600000 -2.5,-1.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.4) translate(7.4, 1)" />
     </marker>
     <marker
        inkscape:stockid="DotL"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="DotL"
        style="overflow:visible"
        inkscape:isstock="true">
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          id="path4203"
          d="M -2.5,-1.0 C -2.5,1.7600000 -4.7400000,4.0 -7.5,4.0 C -10.260000,4.0 -12.5,1.7600000 -12.5,-1.0 C -12.5,-3.7600000 -10.260000,-6.0 -7.5,-6.0 C -4.7400000,-6.0 -2.5,-3.7600000 -2.5,-1.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.8) translate(7.4, 1)" />
     </marker>
     <marker
        inkscape:stockid="Arrow1Send"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="Arrow1Send"
        style="overflow:visible;"
        inkscape:isstock="true">
       <path
          id="path4157"
          d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.2) rotate(180) translate(6,0)" />
     </marker>
     <marker
        inkscape:stockid="Arrow1Sstart"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="Arrow1Sstart"
        style="overflow:visible"
        inkscape:isstock="true">
       <path
          id="path4154"
          d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.2) translate(6,0)" />
     </marker>
     <marker
        inkscape:stockid="Arrow1Mend"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="Arrow1Mend"
        style="overflow:visible;"
        inkscape:isstock="true">
       <path
          id="path4151"
          d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.4) rotate(180) translate(10,0)" />
     </marker>
     <marker
        inkscape:stockid="Arrow1Mstart"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="Arrow1Mstart"
        style="overflow:visible"
        inkscape:isstock="true">
       <path
          id="path4148"
          d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.4) translate(10,0)" />
     </marker>
     <marker
        inkscape:stockid="Arrow1Lend"
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        refY="0.0"
        refX="0.0"
        id="Arrow1Lend"
        style="overflow:visible;"
        inkscape:isstock="true">
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          id="path4145"
          d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.8) rotate(180) translate(12.5,0)" />
     </marker>
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        inkscape:stockid="Arrow1Lstart"
        orient="auto"
        refY="0.0"
        refX="0.0"
        id="Arrow1Lstart"
        style="overflow:visible"
        inkscape:isstock="true">
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          id="path4142"
          d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
-         style="fill-rule:evenodd;stroke:none;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:2.8;stroke-opacity:1;fill:#000000;fill-opacity:1"
          transform="scale(0.8) translate(12.5,0)" />
     </marker>
   </defs>
 
 </svg>