.b
{
    /*background-color:#f6f6f6;*/
    /*background: #00C9FF;  /* fallback for old browsers */
    /*background: -webkit-linear-gradient(to right, #92FE9D, #00C9FF);  /* Chrome 10-25, Safari 5.1-6 */
    /*background: linear-gradient(to right, #92FE9D, #00C9FF); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    background: #1CD8D2;  /* fallback for old browsers */
background: -webkit-linear-gradient(to right, #93EDC7, #1CD8D2);  /* Chrome 10-25, Safari 5.1-6 */
background: linear-gradient(to right, #93EDC7, #1CD8D2); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}