body{overflow:hidden;margin:0}
#text{
    position: fixed;
    width: 100%;
    top: 35%;
    text-align: center;
    color: white;
}
h1{
    text-align: center;
}
#beian{
    text-align: center;
    position: fixed;
    bottom: 20px;
    width: 100%;
}
#beian a{
    font-size: small;
    color: rgba(255, 255, 255, 0.65);
}