/* source: faerdighed\trigonometri\vinkel.htm style block 1 */
body {
            text-align: center;
            font-family: Arial, sans-serif;
            background-color: #f0f8ff;
        }
        canvas {
            border: 2px solid black;
            margin: 20px auto;
            display: block;
            background-color: #ffffff;
        }
        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;
        }

        /* --- Knapopsætning som i hireaki.htm --- */
        .button-container{
            display: flex;
            flex-wrap: wrap;   /* brug nowrap hvis du vil tvinge én linje */
            gap: 8px;
            align-items: center;
            justify-content: center;
            margin-top: 6px;
        }
        .button-container > button{
            display: inline-flex !important;
            width: auto !important;
            white-space: nowrap;
            margin: 0; /* margin styres af gap */
        }

        button {
            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;
        }