.left_top {
    width: 100%;
    height: 36px;
    line-height: 36px;
    float: left;
    background: #f54136;
}
#right_top {
    width: 100%;
    height: 36px;
    line-height: 36px;
    float: left;
	background: #f54136;
    color: #fff;
}
.bb_nav {
    height: 45px;
    background-color: #f54136;
    background-image: linear-gradient(#f54136, #f54136);
}
.bb_nav ul li a:hover {
    background-color: #f54136;
	font-weight:bold;
}