html,body,.quiz-block,.start-page{height:100%}body{box-sizing:border-box;background-color:#fff;background-image:url("https://staticweb.keepcdn.com/staticShow/images/event/foodcalories/background-ac1b57b75b.png");background-size:100%;max-width:768px;margin:0 auto;position:relative}.transparent{opacity:0}.display-hide{display:none}.quiz-page{box-sizing:border-box;margin:0 auto;animation:appear .5s 1 forwards;-webkit-animation:appear .5s 1 forwards}.pressed{position:relative;top:.3rem !important}@-webkit-keyframes appear{from{opacity:0}to{opacity:1}}@-moz-keyframes appear{from{opacity:0}to{opacity:1}}@-webkit-keyframes appear{from{opacity:0}to{opacity:1}}@-o-keyframes appear{from{opacity:0}to{opacity:1}}@keyframes appear{from{opacity:0}to{opacity:1}}