@media screen and (max-width:850px){body #app #root .videoArea .videoArea-screen.fullScreen .videoArea-screen-content.landscape #game-play #game-play-iframe #game-play-btn .icon-redHeart,body #app #root .videoArea .videoArea-screen.fullScreen .videoArea-screen-content.landscape #game-play #game-play-iframe #game-play-btn .icon-return{background-size:1.45rem .2rem}}