body {
    background: transparent;
}
.gameBox{
    background: none;
}
.layer_1{
    background: url('../images/1.jpg') center / contain no-repeat;
}
.layer_2{
    display: none;
    background: url('../images/2.jpg') center / contain no-repeat;
}
.layer_3{
    display: none;
    background: url('../images/3.jpg') center / contain no-repeat;
}
.prompt{
    position: absolute;
    width: 4%;
    height: 6.7%;
    right: 8.65%;
    top: 2.5%;
    cursor: pointer;
    border-radius: 0.5vw;
    animation: flicker 1.5s infinite;
    border: 0.24vw solid #fff;
}
.border{
    position: absolute;
    width: 2.7%;
    height: 4.7%;
    right: 9.3%;
    top: 3.5%;
    cursor: pointer;
    
    border-radius: 0.3vw;
    box-shadow: 0px 0px 0px 5000px rgba(0, 0, 0, .5);
}

.layer_2 .prompt{
    width: 13.7%;
    height: 6.7%;
    right: 17.4%;
    top: 14.7%;
}
.layer_2 .border{
    width: 12%;
    height: 4%;
    right: 18.2%;
    top: 16%;
}
.layer_2 .mouse{
    right: 15.5%;
    top: 19%;
}
.layer_2 .onClick{
    left: 80.2%;
    top: 26%;
}
@keyframes flicker {
    0%{
        opacity: 100%;
    }
    50%{
        opacity: 0%;
    }
    100%{
        opacity: 100%;
    }
}