/* ctof.css  */

        body {
            font-family: Arial, sans-serif;
            background-color: #000000;
            text-align: center;
        }

        .container {
            background-color: #ffffff;
            padding: 30px;
            border-radius: 5px;
            box-shadow: 0 0 100px rgb(255, 0, 0);
            margin: 100px auto;
			max-width: 350px;
        }

        h1 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        input[type="number"] {
            width: 80%;
            padding: 10px;
            margin: 10px 0;
            border: 1px solid #000000;
            border-radius: 3px;
        }

        button {
            background-color: #ff0000;
            color: #000000;
            padding: 10px 20px;
            border: none;
            border-radius: 3px;
            cursor: pointer;
        }

        button:hover {
            background-color: #ff0000;
        }

        #result {
            font-size: 18px;
            margin: 20px 0;
        }