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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
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xmlns="http://www.w3.org/2000/svg">

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<stop offset="0%" style="stop-color:rgb(230,230,0);stop-opacity:1"/>
<stop offset="100%" style="stop-color:rgb(200,200,0);stop-opacity:1"/>
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<rect width="100%" height="100%"
style="fill:url(#orange_red)"/>

<polygon points="-20,100 20,100 120,0 80,0" fill = "black" />
<polygon points="80,100 100,80 100,100" fill = "black" />
<polygon points="0,20 20,0 0,0" fill = "black" />

</svg>