diff --git a/css/screen.scss b/css/screen.scss
index a7db287..09b423e 100644
--- a/css/screen.scss
+++ b/css/screen.scss
@@ -124,7 +124,8 @@ table.bordered tr { border-top: 1px solid #bbb; border-bottom: 1px solid #bbb; }
 .publi_table td:nth-child(2) { width: 60%; }
 .publi_table td:nth-child(3) { width: 10%; }
 
-ul { list-style-image: url('/images/bullet_dark.png'); }
+ul { list-style-image: url('/images/bullet_dark.svg'); }
+li ul { list-style-image: url('/images/bullet_dark_single.svg'); }
 ul li { margin-left: 1em; }
 
 ol { list-style-type: decimal; }
diff --git a/images/bullet_dark.png b/images/bullet_dark.png
deleted file mode 100644
index aecc75d..0000000
Binary files a/images/bullet_dark.png and /dev/null differ
diff --git a/images/bullet_dark.svg b/images/bullet_dark.svg
new file mode 100644
index 0000000..27ff552
--- /dev/null
+++ b/images/bullet_dark.svg
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="13"
+   height="13"
+   viewBox="0 0 3.4395833 3.4395834"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25)"
+   sodipodi:docname="bullet_dark.svg"
+   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="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     showgrid="true"
+     inkscape:zoom="68.246464"
+     inkscape:cx="3.2675685"
+     inkscape:cy="7.0699633"
+     inkscape:window-width="2560"
+     inkscape:window-height="1403"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1">
+    <inkscape:grid
+       id="grid1"
+       units="mm"
+       originx="0"
+       originy="0"
+       spacingx="0.99999999"
+       spacingy="1"
+       empcolor="#0099e5"
+       empopacity="0.30196078"
+       color="#0099e5"
+       opacity="0.14901961"
+       empspacing="5"
+       dotted="false"
+       gridanglex="30"
+       gridanglez="30"
+       visible="true" />
+  </sodipodi:namedview>
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:none;stroke:#010101;stroke-width:0.18520833;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       d="M 0.13229167,1.0016521 1.1733119,2.0654477 0.13229167,3.2194106"
+       id="path1"
+       sodipodi:nodetypes="ccc" />
+    <path
+       style="fill:none;stroke:#010101;stroke-width:0.18520833;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       d="M 1.190625,1.0016521 2.2316453,2.0654477 1.190625,3.2194106"
+       id="path2"
+       sodipodi:nodetypes="ccc" />
+  </g>
+</svg>
diff --git a/images/bullet_dark_single.svg b/images/bullet_dark_single.svg
new file mode 100644
index 0000000..16f0d78
--- /dev/null
+++ b/images/bullet_dark_single.svg
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="13"
+   height="13"
+   viewBox="0 0 3.4395833 3.4395834"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25)"
+   sodipodi:docname="bullet_dark_single.svg"
+   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="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     showgrid="true"
+     inkscape:zoom="68.246464"
+     inkscape:cx="3.2675685"
+     inkscape:cy="7.0699633"
+     inkscape:window-width="2560"
+     inkscape:window-height="1403"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1">
+    <inkscape:grid
+       id="grid1"
+       units="mm"
+       originx="0"
+       originy="0"
+       spacingx="0.99999999"
+       spacingy="1"
+       empcolor="#0099e5"
+       empopacity="0.30196078"
+       color="#0099e5"
+       opacity="0.14901961"
+       empspacing="5"
+       dotted="false"
+       gridanglex="30"
+       gridanglez="30"
+       visible="true" />
+  </sodipodi:namedview>
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:none;stroke:#010101;stroke-width:0.18520833;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       d="M 1.190625,1.0016521 2.2316453,2.0654477 1.190625,3.2194106"
+       id="path2"
+       sodipodi:nodetypes="ccc" />
+  </g>
+</svg>