body {
    background-color: #140C1C;
    margin: 0;
    padding: 0;
    overflow: hidden;
    user-select: none;
    -moz-user-select: none;
    height: 100%;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

button:focus-visible,
[role="button"]:focus-visible {
    outline: 4px solid #ffea00;
    outline-offset: 3px;
}

.gt_bubbles_next {
    background-image: url('../image/next.png');
    background-repeat: no-repeat;
    background-size: contain;
    width: 128px;
    height: 64px;
    border: 0;
    color: transparent;
    background-color: transparent;
    right: 1ex;
    bottom: 1ex;
    filter: drop-shadow(0.5ex 0.5ex 0.5ex rgba(0,0,0,1));
    outline: none;
    image-rendering: pixelated;
    image-rendering: optimizespeed;
}