/* source: faerdighed\ligninger\reduktion.htm style block 1 */
body {
            text-align: center;
            font-family: Arial, sans-serif;
            background-color: #f0f8ff;
        }
        h1 {
            font-size: 2.5em;
            color: #333366;
        }
        .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: #ffffff;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 2px 2px 10px #888888;
            max-width: 500px;
            margin: auto;
        }
        button {
            margin: 10px;
            padding: 10px 20px;
            font-size: 1.2em;
            background-color: #333366;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        button:hover {
            background-color: #555599;
        }
        #solution {
            display: none;
            background-color: #e6f7ff;
            padding: 10px;
            border-radius: 5px;
            margin-top: 10px;
            font-size: 1.2em;
        }