fix google chrome autofill's yellow background. unfortunately, not support transparent.
.panel-login input:-webkit-autofill,
.panel-login input:-webkit-autofill:hover,
.panel-login input:-webkit-autofill:focus,
.panel-login input:-webkit-autofill:active {
-webkit-text-fill-color: rgba(255, 255, 255, 0.7) !important;
-webkit-box-shadow: 0 0 0px 1000px #333 inset !important;
/* Keep the color same as origin */
}
/*
Refer:
http://stackoverflow.com/questions/2781549/removing-input-background-colour-for-chrome-autocomplete
*/