body.noscroll{overflow-y:hidden;height:100%;position:fixed;transform:translateX(-50%);left:50%;width:100%}.select-disable{-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-o-user-select:none;user-select:none}img.drag-disable{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none}.start-play{width:100%;height:100%;position:absolute;top:0;left:0;cursor:pointer}.playground{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.7);width:100%}.playground .countdown{width:800px;height:500px;background-image:url(../assets/countdown.png);background-position:center;background-repeat:no-repeat;background-size:100% auto;margin:50px auto}.number{color:#000;font-size:15rem;text-align:center;line-height:500px}.play{width:100%;height:703px;position:fixed;top:0;left:0;right:0;bottom:0;background-image:url(../assets/game_bg.jpg);background-position:center top;background-repeat:no-repeat}.pool{width:100%;height:100%;margin:0 auto;position:relative;overflow:hidden}.bomb,.packet{position:absolute;top:-100px;cursor:pointer;padding:10px}.score{position:absolute;bottom:150px;right:5%;z-index:10;width:100px;height:100px;line-height:100px;text-align:center;border-radius:50%;font-size:60px;color:#000;background-color:#fff;background-size:100% auto;background-repeat:no-repeat;background-position:center}.hide{display:none!important}@media screen and (max-width:640px){.playground .countdown{width:100vw;height:100vh;background-image:url(../assets/countdown-mb.png);background-size:90% auto;margin:0 auto}.number{font-size:30vw;margin-top:0;line-height:100vh}.play{width:100vw;height:100%;background-image:url(../assets/game-mb_bg.jpg);background-size:100% auto}}