.calculatordti{max-width:400px;margin:auto;padding:20px;border:1px solid #ccc;border-radius:8px;background-color:#f9f9f9}.p4{font-size:24px;font-weight:700;text-align:center;margin-bottom:20px}label{font-size:16px;display:block;margin:10px 0 5px}input[type="number"]{width:100%;padding:8px;margin-bottom:20px;border-radius:4px;border:1px solid #ccc}button{width:100%;padding:10px;font-size:16px;background-color:#4CAF50;color:#fff;border:none;border-radius:4px;cursor:pointer}button:hover{background-color:#45a049}#result{margin-top:20px;font-size:18px;font-weight:700;text-align:center}