/* source: detbasale\tabellerne.htm style block 1 */
body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin: 0;
            padding: 0;
            background-color: black;
            color: white;
        }
        h1 {
            color: lightgreen;
            font-size: 50px;
            margin-top: 20px;
        }
        @media (max-width: 600px) {
            h1 {
                font-size: 70px; /* Slightly smaller on mobile than previous version */
            }
        }
        #table-selection {
            margin: 20px 0;
            display: flex;
            justify-content: center;
            gap: 2px;
            flex-wrap: wrap;
        }
        #table-selection button {
            width: 40px;
            height: 40px;
            font-size: 16px;
            cursor: pointer;
            border: none;
            background-color: yellow;
        }
        #table-selection button.selected {
            background-color: orange;
        }
        #grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 10px;
            justify-content: center;
            margin: 20px auto;
            width: 300px;
            position: relative;
        }
        .circle {
            width: 50px;
            height: 50px;
            background-color: #FFD700; /* Yellow */
            border: 2px solid black;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
            font-weight: bold;
            color: black;
            transition: background-color 0.3s;
        }
        #controls {
            margin: 20px 20px;
        }
        #controls button {
            margin: 10px;
            padding: 10px 20px;
            font-size: 16px;
            cursor: pointer;
        }
        #congratulations, #oops {
            display: none;
            font-size: 50px;
            position: absolute;
            top: 30%;
            left: 50%;
            background-color: rgba(0, 0, 0, 0.8);
            padding: 30px;
            border-radius: 15px;
            font-weight: bold;
            z-index: 10;
            text-shadow: 3px 3px 5px black;
        }
        #congratulations {
            color: gold;
            transform: translate(-50%, -50%) rotate(-20deg);
        }
        #oops {
            color: red;
            transform: translate(-50%, -50%) rotate(20deg);
        }