body{font-family:'Roboto Slab',Arial,sans-serif;margin:20px;background-color:#1e1e1e;color:#fff}*{margin:0;padding:0;box-sizing:border-box}header{background-color:#333;color:#fff;text-align:center;padding:20px 0}header h1{font-size:36px;font-weight:700;margin-left:10px}.menu{text-align:left}.menu ul{list-style-type:none;padding:0}.menu ul li{margin:10px 0}.menu a{text-decoration:none;color:#fff;font-size:20px;font-weight:700;display:block;padding:10px;border-bottom:2px solid transparent;transition:color .3s,border-bottom-color .3s,transform .2s ease-out}.menu a:hover{color:#007bff;border-bottom-color:#007bff;transform:translateY(-3px)}