label {
            display: block;
            margin-top: 30px;
            width: 100%;
            text-align: left;
        }
        select, input {
            width: 100%;
            padding: 8px;
            margin-top: 5px;
            box-sizing: border-box;
        }
        button {
            margin-top: 20px;
            padding: 10px;
            width: 100%;
            font-size: 16px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        button:hover {
            background-color: #0056b3;
        }
        #result {
            margin-top: 20px;
            font-size: 18px;
            text-align: center;
        }