.container{background:#fff;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.1);padding:20px;text-align:center}.container input{border:1px solid #ccc;border-radius:5px;margin:10px 0;padding:10px;width:100%}.container button{background:#28a745;border:none;border-radius:5px;color:#fff;cursor:pointer;padding:10px 20px}.container button:hover{background:#218838}