.main-background-color{background-color:#f9c200}.top-menu{display:flex;justify-content:center;align-items:center;background:#f9c200;height:4rem}#quiz-iframe{border:none;width:100%;height:100dvh;background:url(../img/loading.gif) center center no-repeat;background-size:2.5rem}@media only screen and (max-width:800px){.top-menu{height:3rem}#logo{height:150px;width:150px}#quiz-iframe{border:none;width:100%;height:calc(100vh - 0rem)}}