Multi Polygon with webkit css
by george_black
HTML
<svg width="0" height="0">
<clipPath id="clip1">
<polygon points="0 100, 220 290, 300 30"></polygon>
</clipPath>
<clipPath id="clip2" clip-path="url(#clip1)">
<polygon points="0 0, 9999 0, 9999 9999, 0 9999, 0 0, 150 140, 180 190, 220 30, 150 140"></polygon>
</clipPath>
</svg>
<div id="tiles"></div>
CSS
#tiles {
background:red;
width:300px;
height:300px;
-webkit-clip-path: url(#clip2);
}