#index .nav-tabs {
    border-bottom: 1px solid #ddd;
    text-align: center;
}

#index .nav-tabs>li {
    float: inherit;
    /* width: 100px; */
    display: inline-block;
    text-align: center;
    font-size: 17px;
}

#detail .video-js {
    width: 100%;
    min-height: 300px;
}

#detail .img-cover {
    width: 100%;
}

.label-jd {
    position: absolute;
}

.wx-headimg {
    height: 39px;
    margin-top: 2px;
}

.text-orange {
    color: orange;
}

.text-gray {
    color: gray;
}

.lesson:hover {
    text-decoration: none;
}

.lesson-title {
    font-size: 15px;
    height: 30px;
    overflow: hidden;
}

.lesson-info {
    height: 23px;
    overflow: hidden;
}

.navbar-inverse .navbar-nav>li>a {
    font-size: 15px;
}

.carousel-control .icon-prev,
.carousel-control .icon-next,
.carousel-control .glyphicon-chevron-left,
.carousel-control .fa-chevron-left,
.carousel-control .fa-chevron-right {
    position: absolute;
    top: 50%;
    z-index: 5;
    display: inline-block;
}

.width-full {
    width: 100%;
}

.no-margin {
    margin: 0;
}

.margin {
    margin: 15px;
}

.margin-h {
    margin: 0 15px;
}

.margin-v {
    margin: 15px 0;
}

.margin-top {
    margin-top: 15px;
}

.margin-bottom {
    margin-bottom: 15px;
}

.margin-left {
    margin-left: 15px;
}

.margin-right {
    margin-right: 15px;
}

.no-padding {
    padding: 0;
}

.padding {
    padding: 15px;
}

.padding-h {
    padding: 0 15px;
}

.padding-v {
    padding: 15px 0;
}

.padding-top {
    padding-top: 15px;
}

.padding-bottom {
    padding-bottom: 15px;
}

.padding-left {
    padding-left: 15px;
}

.padding-right {
    padding-right: 15px;
}