*{margin:0;padding:0;box-sizing:border-box}button{padding:10px 20px;cursor:pointer;outline:none;border-radius:15px;border:none;box-shadow:inset 0 0 5px #000}button:hover{box-shadow:inset 1px 1px 10px #000;outline:none}input{padding:5px 40px;border-radius:15px}