body{
    overflow-x:hidden;
    overflow-y:hidden;
    margin: 0;
    -ms-user-select: none; 
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    user-select: none;
    
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    -user-drag: none;
}

#canvasDiv{
    z-index: 1;
    width: 100vw;
    height: 56.25vw;
    position: relative;
    background-color: #000;
}

#backgroundImg{
    width: 100vw;
    height: 56.25vw;
    z-index: 1;
    position: absolute;
}

#button{
    z-index: 2;
    position: absolute;
    text-align: center;
    width: 25vw;
    height: 6vw;
    border-radius: 30px;
    right: 2vw;
    top: 30vw;
    background-color: rgba(0,0,0,0);
    border: 0;
    color: #FF5FA2;
    font-size: 8vw;
    font-family: 'Nanum Pen Script', cursive;
}