/* source: print\index.htm style block 1 */
body {
            margin: 0;
            overflow: scroll;
            font-family: Arial, sans-serif;
        }

        .background {
            position: relative;
            width: 100vw;
            min-height: 100vh;
            background-color: #f0f0f0;
            overflow-y: auto;
        }

        .button-container {
            margin: 70px auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            grid-gap: 20px;
            max-width: 600px;
            padding: 20px;
            text-align: center;
        }

        .button {
            padding: 15px 20px;
            background-color: #333;
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            text-align: center;
        }

        .button:hover {
            background-color: #555;
        }

        .header {
            position: fixed;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            background-color: lightgreen;
            color: black;
            text-align: center;
            padding: 20px;
            font-size: 24px;
            z-index: 1000;
        }

        .return-button {
            margin: 20px auto;
            display: block;
            width: 200px;
            text-align: center;
            padding: 15px 20px;
            background-color: #007BFF;
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
            font-size: 16px;
            transition: background-color 0.3s ease;
        }

        .return-button:hover {
            background-color: #0056b3;
        }