兼容IE的渐变

filter: progid:DXImageTransform.Microsoft.gradient(GradientType=, startColorstr=#1471da, endColorstr=#1C85FB);/*IE<9>*/

-ms-filter: "progid:DXImageTransform.Microsoft.gradient (GradientType=0, startColorstr=#1471da, endColorstr=#1C85FB)";/*IE8+*/

/* Firefox 3.6+ */
background: -moz-linear-gradient(top, #ace, #f96);
/* Safari 4-5, Chrome 1-9 */
/* -webkit-gradient(,  [, ]?,  [, ]? [, ]*) */
background: -webkit-gradient(linear,top,from(#ace),to(#f96));
/* Safari 5.1+, Chrome 10+ */
background: -webkit-linear-gradient(top, #ace, #f96);
/* Opera 11.10+ */
background: -o-linear-gradient(top, #ace, #f96);