body {
    background: transparent;
}
.topic{
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
}
.box{
    width: 100%;
    height: 100%;
}
.radio div{
    width: 13%;
    height: 5.5%;    
    position: absolute;
    left: 12%;
    top: 41%;
    cursor: pointer;
}
.radio div img{
    width: 2.82vw;
    height: 2.82vw;
}
.topic_1 div:nth-child(2){
    width: 40%;
    top: 54.5%;
}
.gameBox_btn{
    position: absolute;
    top: 71%;
    left: 50%;
    transform: translateX(-50%);
}