html,body{margin:0;padding:0}p{margin:0;font-size:20px;line-height:28px}.fade-in{opacity:0;animation-name:fadeIn;animation-timing-function:ease-in-out}@keyframes fadeIn{0%{opacity:0}5%,95%{opacity:1}to{opacity:0}}#error{background-color:red;flex-flow:column;justify-content:center;align-items:center;width:90%;height:90%;display:none;position:absolute;top:5%;left:5%}