.fat-nav {
    background: #9ea3ae;
    background: -moz-linear-gradient(top, #9ea3ae 0%, #262830 100%);
    background: -webkit-linear-gradient(top, #9ea3ae 0%,#262830 100%);
    background: linear-gradient(to bottom, #9ea3ae 0%,#262830 100%);
    background: linear-gradient(90deg, rgba(158,163,174,.9), rgba(38,40,48,.9));
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9ea3ae', endColorstr='#262830',GradientType=0 );
}