diff --git a/unity/progress_bar_fill.svg b/unity/progress_bar_fill.svg
new file mode 100644
index 0000000..aef847c
--- /dev/null
+++ b/unity/progress_bar_fill.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="42" height="4">
+ <g transform="translate(0,-1048.3622)">
+  <path d="m 1,1048.3622 40,0 c 1,0 1,0 1,1 l 0,2 c 0,1 0,1 -1,1 l -40,0 c -1,0 -1,0 -1,-1 l 0,-2 c 0,-1 0,-1 1,-1 z" fill="#d64937"/>
+ </g>
+</svg>
diff --git a/unity/progress_bar_trough.svg b/unity/progress_bar_trough.svg
new file mode 100644
index 0000000..8082c32
--- /dev/null
+++ b/unity/progress_bar_trough.svg
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<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:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="54"
+   height="54"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="progress_bar_trough.svg">
+  <metadata
+     id="metadata18">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs16" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1366"
+     inkscape:window-height="713"
+     id="namedview14"
+     showgrid="false"
+     inkscape:zoom="8.9114583"
+     inkscape:cx="8.3161894"
+     inkscape:cy="26.77557"
+     inkscape:window-x="0"
+     inkscape:window-y="341"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <g
+     transform="translate(0,-998.36218)"
+     id="g4">
+    <image
+       y="346.58"
+       x="413.71"
+       xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAABHNCSVQICAgIfAhkiAAAAAxJREFU CJljYCAZAAAAMwAB0kOx4wAAAABJRU5ErkJggg== "
+       height="3"
+       width="4"
+       id="image6" />
+  </g>
+  <path
+     style="fill:#2d2d2d;opacity:0.5"
+     inkscape:connector-curvature="0"
+     id="path10"
+     d="m 7,25 c -1.0000065,0 -1,0 -1,1 l 0,2 c 0,1 -1.35e-5,1 1,1 l 40,0 c 1,0 1,0 1,-1 l 0,-2 c 0,-1 0,-1 -1,-1 L 7,25 z" />
+  <path
+     style="fill:#f9f9f9"
+     inkscape:connector-curvature="0"
+     id="path12"
+     d="m 7,23 c -3.0000291,0 -3,0 -3,3 l 0,2 c 0,3 -2.91e-5,3 3,3 l 40,0 c 3,0 3,0 3,-3 l 0,-2 c 0,-3 0,-3 -3,-3 z m 0,2 40,0 c 1,0 1,0 1,1 l 0,2 c 0,1 0,1 -1,1 L 7,29 C 5.9999865,29 6,29 6,28 l 0,-2 c 0,-1 -6.5e-6,-1 1,-1 z" />
+</svg>