Merge pull request LeaVerou#25 from ideogram/master

Added Atomic Mesh and 7 Colour Triangles patterns.

Author: BillyNate

index.html

@@ -355,7 +355,17 @@ <h1>CSS3 Patterns Gallery</h1>
       background-color: #fff;
   background-size: 150px 150px;
   background-repeat: repeat;" title="Diamond Ground" data-author="Ee Venn Soh" data-author-url="http://be.net/vennsoh"></li>
-	
+  
+	<li style="background-color:#324;
+background-image: radial-gradient(rgba(255,255,255,0.5) 20%, transparent 30%),
+radial-gradient(rgba(255,255,255,0.8) 15%, transparent 16%);
+background-size:20px 20px, 19px 19px;" title="Atomic Mesh" data-author="Maarten v/d Velde" data-author-url="http://www.ideogram.nl/"></li>
+
+	<li style="background-color: white;
+background-image: repeating-linear-gradient(-30deg, transparent, transparent 35px, rgba(255,128,0,.3) 35px, rgba(255,128,0,.3) 70px), 
+repeating-linear-gradient(30deg, transparent, transparent 35px, rgba(0,128,64,.3) 35px, rgba(0,128,64,.3) 70px), 
+repeating-linear-gradient(90deg, transparent, transparent 35px, rgba(128,0,255,.3) 35px, rgba(128,0,255,.3) 70px);" title="triangles in 7 colors" data-author="Maarten v/d Velde" data-author-url="http://www.ideogram.nl/"></li>
+
 </ul>
 
 <h2 id="browser-support">Browser support</h2>