zoompan.css

/*
 * ZoomPan
 *
 * Basic template styles:
 */

.zoompan-viewport {
    position: relative;
    display: flex;
    overflow: hidden;
    width: calc(100% - var(--scrollbarsWidth) * 1px);
    height: calc(100% - var(--scrollbarsWidth) * 1px);
    align-items: center;
    justify-content: center;
    touch-action: none;
}

.zoompan-canvas {
    flex: none;
    transform-origin: center;
    backface-visibility: hidden;
}

.zoompan-track-x {
    position: absolute;
    bottom: 0;
    left: 0;
    right: calc(var(--scrollbarsWidth) * 1px);
    height: calc(var(--scrollbarsWidth) * 1px);
    background: rgba(0, 0, 0, 0.3);
    touch-action: none;
}

.zoompan-track-y {
    position: absolute;
    top: 0;
    right: 0;
    width: calc(var(--scrollbarsWidth) * 1px);
    bottom: calc(var(--scrollbarsWidth) * 1px);
    background: rgba(0, 0, 0, 0.3);
    touch-action: none;
}

.zoompan-thumb-x {
    position: absolute;
    height: inherit;
    background: rgba(255, 255, 255, 0.5);
}

.zoompan-thumb-y {
    position: absolute;
    width: inherit;
    background: rgba(255, 255, 255, 0.5);
}