.header-application {
    display: table;
    position: relative;
    width: 100%;
    height: 100%;
    background: url("https://www.cavenetomi.com/__xh__/ss.cs.tsinghua.edu.cn/img/forbiddencity1.jpg") no-repeat center center scroll;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
}

.header-title {
    color:white;
}