.fat-nav {
    background: #4b979e;
    background: -moz-linear-gradient(top, #4b979e 0%, #45a56a 100%);
    background: -webkit-linear-gradient(top, #4b979e 0%,#45a56a 100%);
    background: linear-gradient(to bottom, #4b979e 0%,#45a56a 100%);
    background: linear-gradient(90deg, rgba(75,151,158,.9), rgba(69,165,106,.9));
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#4b979e', endColorstr='#45a56a',GradientType=0 );
}