src/components/scrollable-canvas/scrollable-canvas.css

$scrollbar-size: 8px;
$scrollbar-padding: 4px;

.vertical-scrollbar, .horizontal-scrollbar {
    background: rgba(190, 190, 190, 0.8);
    border-radius: calc($scrollbar-size / 2);
    width: 100%;
    height: 100%;
}
.vertical-scrollbar-wrapper {
    position: absolute;
    width: calc($scrollbar-size + $scrollbar-padding);
    right: 0;
    top: $scrollbar-padding;
    height: calc(100% - $scrollbar-size - 2 * $scrollbar-padding);
}

.horizontal-scrollbar-wrapper {
    position: absolute;
    height: calc($scrollbar-size + $scrollbar-padding);
    left: $scrollbar-padding;
    bottom: 0;
    width: calc(100% - $scrollbar-size - 2 * $scrollbar-padding);
}

.vertical-scrollbar-hitbox, .horizontal-scrollbar-hitbox {
    position: absolute;
    cursor: pointer;
    box-sizing: border-box;
}

.vertical-scrollbar-hitbox {
    width: calc($scrollbar-size + $scrollbar-padding);
    padding-right: $scrollbar-padding;
}

.horizontal-scrollbar-hitbox {
    height: calc($scrollbar-size + $scrollbar-padding);
    padding-bottom: $scrollbar-padding;
}