video { position: fixed;  top:0;
        right: 0; 
        min-width: 100%; 
        min-height: 100%; 
        width: auto; 
        height: auto; 
        z-index: -999; 
    } 
 .main-content {
    position: absolute;
    top: 50%;
    left: 45%;
    height: 500px;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    margin-top: -65px;
    text-align: center;
z-index: 100;
}

.main-content  img {
    width: 260px;
    height: 324px
}

.main-content  p {
    font-size: 28px;
    color: #fff;
    line-height: 28px;
    letter-spacing: 10px;
    margin: 31px 0 48px;
	font-weight:60
}
.mainEx{
    max-width:750px;
    height:100%;
    text-align: center;
    background:green;
    margin-left:25%;
    background-image:url('./imgs/back.jpg'); 
    display: block;
    background-size:100% 100%;
    margin: 0 auto !important
}
.html { background-color: #000; } 
body {
    
    min-height: 100%;
    max-width: 600px;
    background-color: #fff; 
    display: block;
    overflow-x:hidden;
    overflow-y:hidden;
    overflow: hidden;
    margin: 0 auto;
    /*margin: 0 auto;*/
}