* {
    margin: 0;
    padding: 0;
}
html, body {
    height: 100%;
    overflow: hidden;
}
body {
    background: url('/15880/app/u/1.jpg') no-repeat;
    /* background-color: #EFE2D0; */
    background-color: #FFFFFF;
    background-size: contain;
    background-position: center;
}
a {
    display: inline-block;
    width: 100%;
    height: 100%;
    cursor: default;
}
.button {
    display: inline-block;
    width: 100%;
    height: 100%;
}
#prompt {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
}
#prompt img {
    width: 4.83rem;
    height: 2.9rem;
    position: absolute;
    right: 0.3rem;
    top: -0.3rem;
}