:root{--smaller:.75}*{box-sizing:border-box;margin:0;padding:0}.container{background-color:#662080;color:#fff;padding-top:0;text-align:center}#countdown ul{display:flex;flex-wrap:wrap;justify-content:center;padding:0}#countdown li{font-size:1.5em;list-style-type:none;margin:0 15px;padding:10px;text-transform:uppercase}#countdown li span{display:block;font-size:4.5rem}@media (max-width:768px){#countdown li{font-size:calc(1.125rem*var(--smaller));margin:0 5px}#countdown li span{font-size:calc(3.375rem*var(--smaller))}}