#flappy-game-container.fullscreen{position:fixed!important;top:0!important;left:0!important;width:100vw!important;height:100vh!important;max-width:none!important;max-height:none!important;z-index:99999}#flappy-game-container.fullscreen #fullscreen-btn::before{content:"⛶"}#game-container-wrapper.fullscreen-active{background-color:transparent}