So, I duplicated the new iOS7 app icon using SVG blends and got what looks good in IE10, Chrome 27 and Safari 6, but doesn't display at all in Firefox. Am I missing an obvious XML spell? (Also - this code seems very verbose - if there are suggestions for shortening this list, that would be great) 
<svg width="500px" height="1000px" viewBox="0 0 500 1000" xmlns:xlink="http://www.w3.org/1999/xlink"> <defs> <path id="orange" d="M200,50 a35 35 0 0 1 100 0 l0 100 a40 40 0 0 1 -100 0 z" fill="rgb(252,170,30)" /> <path id="yellow" transform="rotate(45 250 200)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(242,229,0)"/> <path id="green" transform="rotate(90 250 210)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(181,213,74)" /> <path id="greenblue" transform="rotate(135 250 210)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(104,193,159)" /> <path id="blue" transform="rotate(180 250 210)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(112,178,226)" /> <path id="violet" transform="rotate(225 250 210)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(166,141,197)" /> <path id="pink" transform="rotate(270 250 210)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(213,135,172)" /> <path id="red" transform="rotate(315 250 210)" d="M200,50 a35 35 0 0 1 100 0 l0 100 a35 35 0 0 1 -100 0 z" fill="rgb(246,116,93)" /> <filter id="blendit"> <feImage xlink:href="#orange" x="0" y="0" result="1"/> <feImage xlink:href="#yellow" x="0" y="0" result="2"/> <feImage xlink:href="#green" x="0" y="0" result="3"/> <feImage xlink:href="#greenblue" x="0" y="0" result="4"/> <feImage xlink:href="#blue" x="0" y="0" result="5"/> <feImage xlink:href="#violet" x="0" y="0" result="6"/> <feImage xlink:href="#pink" x="0" y="0" result="7"/> <feImage xlink:href="#red" x="0" y="0" result="8"/> <feBlend mode="multiply" in="1" in2="2" result="12"/> <feBlend mode="multiply" in="12" in2="3" result="123"/> <feBlend mode="multiply" in="123" in2="4" result="1234"/> <feBlend mode="multiply" in="1234" in2="5" result="12345"/> <feBlend mode="multiply" in="12345" in2="6" result="123456"/> <feBlend mode="multiply" in="123456" in2="7"result="1234567"/> <feBlend mode="multiply" in="1234567" in2="8" result="FINAL"/> <feColorMatrix type="hueRotate" values="0"> <animate attributeName="values" attributeType="XML" values="0; 0;180;360;360" dur="10s" repeatCount="indefinite"/> </feColorMatrix> </filter> </defs> <rect x="0" y="0" width="500" height="500" filter="url(#blendit)"/> </svg>
source share