/* Copied from Portal-Web and backward evolved to CSS */

body {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABoAAAAaCAYAAACpSkzOAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAALEgAACxIB0t1+/AAAABZ0RVh0Q3JlYXRpb24gVGltZQAxMC8yOS8xMiKqq3kAAAAcdEVYdFNvZnR3YXJlAEFkb2JlIEZpcmV3b3JrcyBDUzVxteM2AAABHklEQVRIib2Vyw6EIAxFW5idr///Qx9sfG3pLEyJ3tAwi5EmBqRo7vHawiEEERHS6x7MTMxMVv6+z3tPMUYSkfTM/R0fEaG2bbMv+Gc4nZzn+dN4HAcREa3r+hi3bcuu68jLskhVIlW073tWaYlQ9+F9IpqmSfq+fwskhdO/AwmUTJXrOuaRQNeRkOd5lq7rXmS5InmERKoER/QMvUAPlZDHcZRhGN4CSeGY+aHMqgcks5RrHv/eeh455x5KrMq2yHQdibDO6ncG/KZWL7M8xDyS1/MIO0NJqdULLS81X6/X6aR0nqBSJcPeZnlZrzN477NKURn2Nus8sjzmEII0TfMiyxUuxphVWjpJkbx0btUnshRihVv70Bv8ItXq6Asoi/ZiCbU6YgAAAABJRU5ErkJggg==);
}

body.dark-theme {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABoAAAAaCAYAAACpSkzOAAAABmJLR0QANAA3ADnTw94kAAAAP0lEQVRIx2M0Mbf8z0AHwMLAwMDw7s0bmlvEBGMIiYjQlGY0Mbf8P+qjUR+N+mjUR6M+GvXRqI9GfTTqI1oBAGh8Wh92G1LhAAAAAElFTkSuQmCC);
}

@media (prefers-color-scheme: dark) {
    body {
        background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABoAAAAaCAYAAACpSkzOAAAABmJLR0QANAA3ADnTw94kAAAAP0lEQVRIx2M0Mbf8z0AHwMLAwMDw7s0bmlvEBGMIiYjQlGY0Mbf8P+qjUR+N+mjUR6M+GvXRqI9GfTTqI1oBAGh8Wh92G1LhAAAAAElFTkSuQmCC);
    }

    body.light-theme {
        background-image: url(data:image/png;base64,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);
    }
}

.error-message {
    padding: 40px 15px;
    text-align: center;
}

.error-message h1 {
    font-size: 5em;
}

.error-message h2 {
    margin: 1em 0;
}

.error-actions {
    margin: 2em 0;
}

.error-actions .btn {
    margin: 10px;
}

pre {
    text-align: left;
}