.message {
    position: relative;
    margin-bottom: -1024px;
    bottom: 1024px;
    width: 1024px;
    height: 1024px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    background: rgba(0,0,0,0.5);
}

.message span {
    display: block;
    text-align: center;
    color: rgb(255,255,255);
    font-weight: bold;
    font-size: 50px;
}

.ui-text {
    white-space: pre-wrap;
    font-weight: bold;
    padding: 10px;
}

#canvas {
    width: 768px;
    height: 768px;
    /*image-rendering: pixelated;*/
    background: rgb(63, 63, 71);
}

section#main {
    width: 1024px;
}

@media (max-width: 780px) {
    #canvas {
        width: min(512px,90vw);
        height: min(512px,90vw);
    }
}