diff --git a/client/default.css b/client/default.css
index 5dff167..8b4da82 100644
--- a/client/default.css
+++ b/client/default.css
@@ -31,7 +31,7 @@ canvas {
     width: 100%;
     height: 100%;
     display: block;
-    cursor: crosshair;
+    cursor: url('icons/cursor.svg') 7 7, crosshair;
 }
 
 canvas.movemode {
diff --git a/client/icons/cursor.svg b/client/icons/cursor.svg
new file mode 100644
index 0000000..ab420de
--- /dev/null
+++ b/client/icons/cursor.svg
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="3.7139902mm"
+   height="3.7139902mm"
+   viewBox="0 0 3.7139902 3.7139902"
+   version="1.1"
+   id="svg5"
+   sodipodi:docname="cursor.svg"
+   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
+   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="namedview7"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     showgrid="false"
+     inkscape:zoom="38.057741"
+     inkscape:cx="6.358759"
+     inkscape:cy="8.5659315"
+     inkscape:window-width="2558"
+     inkscape:window-height="1412"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs2" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-133.51747,-126.4196)">
+    <circle
+       style="fill:none;stroke:#000000;stroke-width:0.3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
+       id="path236"
+       cy="128.2766"
+       cx="135.37447"
+       r="1.6" />
+  </g>
+</svg>
diff --git a/client/index.js b/client/index.js
index d1159ef..ef16ee1 100644
--- a/client/index.js
+++ b/client/index.js
@@ -11,7 +11,7 @@ const config = {
     buffer_first_touchmoves: 5,
     debug_print: true,
     min_zoom: 0.05,
-    max_zoom: 100.0,
+    max_zoom: 10.0,
     initial_offline_timeout: 1000,
     default_color: 0x00,
     default_width: 8,
diff --git a/client/webgl_geometry.js b/client/webgl_geometry.js
index 2696f55..f1ea6a7 100644
--- a/client/webgl_geometry.js
+++ b/client/webgl_geometry.js
@@ -3,6 +3,9 @@ function push_point(s, x, y, u, v, r, g, b, type) {
     ser_f32(s, y);
     ser_f32(s, u);
     ser_f32(s, v);
+    // ser_u8(s, Math.floor(Math.random() * 255));
+    // ser_u8(s, Math.floor(Math.random() * 255));
+    // ser_u8(s, Math.floor(Math.random() * 255));
     ser_u8(s, r);
     ser_u8(s, g);
     ser_u8(s, b);
diff --git a/client/webgl_shaders.js b/client/webgl_shaders.js
index ea03af6..4d8a897 100644
--- a/client/webgl_shaders.js
+++ b/client/webgl_shaders.js
@@ -1,8 +1,8 @@
 const stroke_vs_src = `
     attribute float a_type;
-    attribute vec2 a_pos;
-    attribute vec2 a_texcoord;
-    attribute vec3 a_color;
+    attribute vec2  a_pos;
+    attribute vec2  a_texcoord;
+    attribute vec3  a_color;
 
     uniform vec2 u_scale;
     uniform vec2 u_res;