Im using Colorzilla gradient generator(http://www.colorzilla.com/gradient-editor/) to create a radial gradient for my site and I wanted to have the ellipse at the bottom.
From
background: #667de8; /* Old browsers */
/* IE9 SVG, needs conditional override of 'filter' to 'none' */
background: url(data:image/svg+xml;base64,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);
background: -moz-radial-gradient(center, ellipse cover, #667de8 0%, #546ebf 15%, #283c5a 63%, #283c5a 91%, #283c5d 100%); /* FF3.6+ */
background: -webkit-gradient(radial, center center, 0px, bottom bottom, 100%, color-stop(0%,#667de8), color-stop(15%,#546ebf), color-stop(63%,#283c5a), color-stop(91%,#283c5a), color-stop(100%,#283c5d)); /* Chrome,Safari4+ */
background: -webkit-radial-gradient(center, ellipse cover, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* Chrome10+,Safari5.1+ */
background: -o-radial-gradient(center, ellipse cover, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* Opera 12+ */
background: -ms-radial-gradient(center, ellipse cover, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* IE10+ */
background: radial-gradient(ellipse at center, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* W3C */
To
/* IE9 SVG, needs conditional override of 'filter' to 'none' */
background: url(data:image/svg+xml;base64,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);
background: -moz-radial-gradient(bottom, ellipse cover, #667de8 0%, #546ebf 15%, #283c5a 63%, #283c5a 91%, #283c5d 100%); /* FF3.6+ */
background: -webkit-gradient(radial, bottom bottom, 0px, bottom bottom, 100%, color-stop(0%,#667de8), color-stop(15%,#546ebf), color-stop(63%,#283c5a), color-stop(91%,#283c5a), color-stop(100%,#283c5d)); /* Chrome,Safari4+ */
background: -webkit-radial-gradient(bottom, ellipse cover, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* Chrome10+,Safari5.1+ */
background: -o-radial-gradient(bottom, ellipse cover, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* Opera 12+ */
background: -ms-radial-gradient(bottom, ellipse cover, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* IE10+ */
background: radial-gradient(ellipse at bottom, #667de8 0%,#546ebf 15%,#283c5a 63%,#283c5a 91%,#283c5d 100%); /* W3C */
So I changed every occurrence of center to bottom, then I successfully generated a radial gradient with ellipse located at the bottom.
However in IE9 it fails to render bottom ellipse, and then I found out that the following code below needs also to be modified:
/* IE9 SVG, needs conditional override of 'filter' to 'none' */
background: url(data:image/svg+xml;base64,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);
So is there any way to modify the code(Data URI) to make the ellipse at the bottom? If it's impossible, how can I make the ellipse locate at the bottom part? Any thoughts would be greatly appreciated.