body{
	background: #000000;
}
#wenti_jason{
	position: absolute;
	top: 20%;
	left: 25%;
	background: #FFFFFF;
	display: none;
	z-index: 1197;
}

#js_course{
	width: 680px;
    margin-left: 20px;
    margin-right: 0px;
    margin-top: 20px;
}

.publishbtn {
    display: inline-block;
    padding: 0 30px;
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    color: #fff;
    background-color: #23b561;
    margin-right: 20px;
}
.wrap {
    display: block;
    width: 100%;
    margin: 0 auto;
}
.video_area {
    width: 100%;
    height: 720px;
    background-color: #000;
}
.codingke_video-dimensions {
    width: 100%;
    height: 100%;
}
.video_con {
    position: relative;
    overflow: hidden;
    margin-bottom: 0px;
}
.sidebar_ul {
    padding: 7px;
    background-color: #fff;
    box-shadow: 0 2px 10px 0 rgba(135, 135, 135, 0.3);
    display: none;
}

.top2 {
    border-bottom: 1px #b7b8b8 solid;
    display: none;
}

.footer {
    background-color: #2f332f;
    color: #cdcdcd;
    display: none;
}

.video_head{
	background:#333333;
	height: 78px;
	width: 100%;
}
.video_action {
    position: absolute;
    left: -55px;
    top: 30%;
    margin-top: 40%;
    right: 270px;
    width: 55px;
}
.video_head img {
	position: absolute;
}

.video_text{
	text-align: center;
	line-height: 79px;
	color: #b5b5b5;
	font-size: 18px;
}
.video_slider {
    position: absolute;
    right: -270px;
    top: 0;
    width: 270px;
    height: 790px;
}

.com-pop-close1{
    margin-right: 10px;
    color: #000000;
	
}
.mask {
    background-color: #000;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    filter: alpha(opacity=50);
    position: absolute;
    top: 0;
    z-index: 1198;
}

.inp_tit{
    margin-right: 30px;
}

.err{
    padding-top: 50px;
}