body{background:#92c2eb}.main{text-align:center}.mainHeader{font-size:40px;margin-top:20px;margin-bottom:20px;text-underline-position:below;text-decoration:underline;text-decoration-color:#c6c0c0;text-decoration-thickness:1px;color:#fff;letter-spacing:7px}.secHeader{font-size:20px;margin-top:20px;margin-bottom:20px;text-underline-position:below;text-decoration:underline;text-decoration-color:#c6c0c0;text-decoration-thickness:1px;color:#fff;letter-spacing:7px}table{width:50%;border-collapse:collapse;margin:0 auto 20px}th,td{border:1px solid #ddd;padding:8px;text-align:center}th{background-color:#f2f2f2}button{padding:5px 10px;border:none;border-radius:4px;cursor:pointer}button.done{background-color:#28a745;color:#fff}button.remove{background-color:#dc3545;color:#fff}button:hover{opacity:.8}form{display:flex;flex-direction:column;align-items:center;margin-bottom:20px}input{width:50%;padding:10px;margin-bottom:10px;border:1px solid #ccc;border-radius:4px;text-align:center}:placeholder-shown{font-style:italic;text-align:center}.error{color:red}