* {
    margin: 0px;
    padding: 0px;
}

video {
    position: fixed;
    right: 0px;
    bottom: 0px;
    min-width: 100%;
    min-height: 100%;
    height: auto;
    width: auto;
    z-index: -1;
    /*加滤镜*/
    /*-webkit-filter: grayscale(100%);*/
    /*filter:grayscale(100%);*/
}

source {
    min-width: 100%;
    min-height: 100%;
    height: auto;
    width: auto;
}

.wrapper {
    display: table-cell;
    vertical-align: middle;
    margin: auto;
    width: 100%;
    height: 100%;
    background: url(../images/pattern.png);
    position: absolute;
}

.wrapper .logo {
    margin: 100px 0 30px;
    position: relative;
    display: block;
    text-align: center;
    width: 100%;
    color: #000;
    z-index: -1;
}

.wrapper .logo img {
    height: 150px;
}

.info {
    width: 70%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    color: #fff;
}

.info p {
    font-size: 16px;
    padding: 10px;
    border: 1px solid #fff;
}

.info a {
    line-height: 50px;
}