lbry-desktop/ui/component/fileThumbnail/FreezeframeLite/styles.scss

// Refined from
// https://github.com/ctrl-freaks/freezeframe.js/tree/master/packages/freezeframe/src

$base-zindex: 0;
$transition-duration: 300ms;

// Classnames must line up with classes in classes.js
.ff-container {
  display: inline-block;
  position: relative;

  .ff-image {
    z-index: $base-zindex;
    vertical-align: top;
    opacity: 0;
    border-radius: var(--border-radius);
  }

  .ff-canvas {
    border-radius: var(--border-radius);
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: $base-zindex + 1;
    vertical-align: top;
    opacity: 0;

    &.ff-canvas-ready {
      transition: opacity $transition-duration;
      opacity: 1;
    }
  }

  &.ff-active {
    .ff-image {
      opacity: 1;
    }
    .ff-canvas.ff-canvas-ready {
      transition: none;
      opacity: 0;
    }
    .ff-overlay {
      display: none;
    }
  }

  &.ff-inactive {
    .ff-canvas.ff-canvas-ready {
      transition: opacity $transition-duration;
      opacity: 1;
    }
    .ff-image {
      transition: opacity $transition-duration;
      transition-delay: 170ms;
      opacity: 0;
    }
  }

  &.ff-responsive {
    width: 100%;

    .ff-image,
    .ff-canvas {
      width: 100%;
    }
  }
}