.fat-nav {
    background: #ab0018;
    background: -moz-linear-gradient(top, #ab0018 0%, #ffc226 100%);
    background: -webkit-linear-gradient(top, #ab0018 0%,#ffc226 100%);
    background: linear-gradient(to bottom, #ab0018 0%,#ffc226 100%);
    background: linear-gradient(90deg, rgba(171,0,24,.9), rgba(255,194,38,.9));
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ab0018', endColorstr='#ffc226',GradientType=0 );
}