.hd{
    position: relative;
}
.hd:after{
    position: absolute;
    content: "hd";
    display: block;
    width: 24px;
    padding: 2px 0;
    line-height: 10px;
    background: #ff1500;
    border-radius: 12px;
    font-size: 10px;
    color: #ffffff;
    top: 4px;
    right: -10px;
}
.bannerAD{
    margin-top: 15px;
}
.top_nav table {
    width:100%;
    border-collapse:collapse;
    border:0;
    padding:0;
    margin:0;
    position: fixed;
    z-index: 9999;
}
.top_nav li ul {
    display:none;
}
.top_nav li:hover,.top_nav li a:hover,.top_nav li a:active {
    color: #fff;
    background-color:#2d2d2d;
}
.top_nav li:hover ul,.top_nav li a:hover ul,.top_nav li a:active ul {
    display: block;
    width: 92px;
    margin-left: -16px;
    text-align: center;
}
.top_nav ul li {
    display:block;
    width:100%;
    border:none;
    padding: 0!important;
}
.top_nav ul li a {
    background: #2d2d2d;
    display:block;
    color: #f56c08;
    border:none;
}
.top_nav ul li{
    border: none;
}
.book-box{
    padding: 18px;
    width: 100%;
    margin-top: 15px;
    line-height: 28px;
    font-size: 15px;
    margin-bottom: 15px;
}
.book-box img{
    width: 100%;
}
@media (max-width: 767px) {
    .content_thumb {
        width: 100%;
        margin-top: -1.7rem;
    }
    .content_detail {
        width: 100%;
        padding: 0 0 0 0.375rem;
    }
    .content_top {
        margin-top: 0.3rem;
    }
    .content_detail .pannel_head h2.title, .pannel_head.down_title h2.title, .search_box .pannel_head h3.title {
        color: #000;
    }
    .hidden_mb{
        display: none!important;
    }
    .MacPlayer{
        height: 200px;
    }
    .embed-responsive-16by9 {
        padding-bottom: 53.25%;
    }
    .book-box{
        margin-top: 0;
    }
}
        .mbads
        {
            position: fixed;
            bottom: 0px;
            left: 0px;
            right: 0px;
            text-align: center;   
            z-index: 9999999999999;
        }
        @media (max-width: 720px)
        {
            .mbads img
            {
                width: 100%;
                height:70px;
            }
        }