*{margin:0;padding:0;box-sizing:border-box;font-family:Helvetica Neue,sans-serif}table{margin:3rem auto}table,th,td{border:1px solid black;border-collapse:collapse;padding:1rem}button{padding:1rem 1.5rem;border-radius:8px;background-color:azure;border:1px solid black;cursor:pointer}button:hover{background-color:#add8e6}input{padding:1rem}