.video_content{
    position: relative;
    width: 100%;
    height: auto;
    display: block;
    background-color: #e7f0f5;
    padding:40px 0;
}
.breadnav ul {
    padding: 0;
   margin-bottom:30px;
}
.breadnav ul li {
    display: inline-block;
}
.breadnav a ,.breadnav a:hover{
    color: #767d81;
    font-size: 16px;
    text-decoration: none;
}
.video_cover{
    position: relative;
    width: 100%;
    height: auto;
    display: block;
}
.video_title{
    position: relative;
    width: 100%;
    height: auto;
    display: block;
    font-size:20px;
    color:#2a3135;
    margin-top:20px;
    line-height:36px;
}
.video_desc{
    position: relative;
    width: 100%;
    height: auto;
    display: block;
    font-size:16px;
    color:#82919b;
    min-height:80px;
}


@media screen and (min-width:1px) and (max-width:959px){
    .video_content{
        padding: 20px 15px;
        box-sizing: border-box;
    }
    .breadnav ul{
        margin-bottom:20px;
    }
    .video_title{
        font-size:18px;
        line-height: 30px;
    }
}

@media screen and (min-width:1400px) and (max-width:1920px){
    .video_desc{
        min-height:140px;
    }
}