diff --git a/README.md b/README.md
index 09e1803d..7f571d3e 100644
--- a/README.md
+++ b/README.md
@@ -246,6 +246,7 @@ Say thanks!
 <td>Markdown<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/markdown.svg" width="125" title="markdown" /><br>449 Bytes</td>
 <td>HAML<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/haml.svg" width="125" title="HAML"/><br>937 Bytes</td>
 <td>microformats<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/microformats.svg" width="125" title="microformats"/><br>798 Bytes</td>
+<td>CSS3<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/css3.svg" width="125" title="CSS3"/><br>385 Bytes</td>
 </tr>
 </table>
 
diff --git a/images/reference/CSS3.svg b/images/reference/CSS3.svg
new file mode 100644
index 00000000..a23ac04e
--- /dev/null
+++ b/images/reference/CSS3.svg
@@ -0,0 +1,101 @@
+<?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="102.3716mm"
+   height="144.49777mm"
+   viewBox="0 0 362.73401 511.99998"
+   id="svg3476"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="CSS3.svg">
+  <defs
+     id="defs3478" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.35"
+     inkscape:cx="181.367"
+     inkscape:cy="256"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:window-width="1366"
+     inkscape:window-height="704"
+     inkscape:window-x="0"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata3481">
+    <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="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-193.633,-276.3622)">
+    <g
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+         points="256,176.305 255.843,176.305 142.132,176.305 146.26,221.716 256,221.716 "
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+         style="fill:#ebebeb" />
+      <path
+         id="path2999"
+         d="m 160,0 55,0 0,23 -32,0 0,23 32,0 0,23 -55,0 z"
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+      <path
+         id="path3001"
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+         style="fill:#ffffff" />
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+  </g>
+</svg>
diff --git a/images/svg/css3.svg b/images/svg/css3.svg
new file mode 100644
index 00000000..f30f92b9
--- /dev/null
+++ b/images/svg/css3.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="HTML5" role="img"
+viewBox="0 0 512 512"><path fill="#264de4"
+d="M72 460L30 0h451l-41 460-184 52"/><path fill="#2965f1"
+d="M256 37V472l149-41 35-394"/><path fill="#ebebeb"
+d="m114 94h142v56H119m5 58h132v57H129m3 28h56l4 45 64 17v59L139 382"/><path fill="#fff"
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