.fat-nav {
    background: #1f6696;
    background: -moz-linear-gradient(top, #1f6696 0%, #33938d 100%);
    background: -webkit-linear-gradient(top, #1f6696 0%,#33938d 100%);
    background: linear-gradient(to bottom, #1f6696 0%,#33938d 100%);
    background: linear-gradient(90deg, rgba(31,102,150,.9), rgba(51,147,141,.9));
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1f6696', endColorstr='#33938d',GradientType=0 );
}