body{
    height: 100%;
    background-image: url('../img/bohai_ld.jpg');
    background-size: 100% ;
    margin: 0;
}
.container{
    position: fixed;
    bottom: 0;
    height: 19em;
    width: 100%;
}
.container_one>h1{
    margin: 0;
    font-weight: 400;
    font-size: 2.5em;
    color: #6b98ff;
    padding-top: 1%
}
.container_one{
    width: 100%;
    height: 6em;
    background:rgba(255,255,255,0.8);
    vertical-align: middle;
    text-align: center
}
.container_two{
    width: 100%;
    height: 13em;
    background:rgb(104, 135, 186);
    vertical-align: middle;
    display: table
}
.container_two_div{
    display: table-cell;
    vertical-align: middle;
    text-align: center
}
.container_two_div>div{
    text-align: center;
    margin-bottom: 0.5em;
}
.container_two_div>form>label{
    color: white;
}
.container_two_div>form>button{
    color: #6c6c6c;
}