.bg-video{

    width:100%;

    height:auto;

    left:0px;

    top:0px;

    z-index: -1;

    vertical-align:bottom;display:block;

    position:absolute;

 }

.v1{

    width: 100%;

    height: auto;

}

 *{  
            margin: 0px;  
            padding: 0px;  
        }  
        video{  
            position: fixed;  
            right: 0px;  
            bottom: 0px;  
            min-width: 100%;  
            min-height: 100%;  
            height: auto;  
            width: auto;  
            /*加滤镜*/
            /*filter: blur(100px); //背景模糊设置 */
            /*-webkit-filter: grayscale(90%);*/  
            /*filter:grayscale(90%); //背景灰度设置*/  
            z-index:-11
        }
           
        source{  
            min-width: 100%;  
            min-height: 100%;  
            height: auto;  
            width: auto;  
        }