tweb-i2p/src/scss/partials/_mediaViewer.scss

.media-viewer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .88);
  /* color: $darkgrey; */
  display: flex;
  align-items: center;
  justify-content: center;

  &-author {
    position: absolute;
    top: 0;
    left: 0;
    height: 60px;
    padding: 8px 8px 8px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #8b8b8b;
    transition: .2s;

    &:hover {
      color: #fff;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      position: absolute;
      top: 8px;
      left: 20px;
    }

    .media-viewer-name {
      font-weight: 500;
    }

    .media-viewer-date {
      font-size: 15px;
    }
  }

  &-buttons {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    flex-flow: row nowrap;
    padding: 8px;

    .btn-icon {
      margin: 0 .25rem;
      transition: .2s;

      &:hover {
        color: #fff;
      }
    }
  }

  &-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    max-height: 100%;
    max-width: 100%;
    overflow: hidden;

    .media-viewer-stub {
      flex: 1;
    }

    .media-viewer-container {
      align-self: center;
      position: relative;
      max-width: 100%;
      max-height: 100%;
      overflow: hidden;
      flex: 1 1 auto;
      display: flex;
      align-items: center;
    }

    .media-viewer-media {
      display: flex;
      align-items: center;
      justify-content: center;
      visibility: hidden;

      &.loading {
        img, video {
          object-fit: cover;
          width: 100%;
          height: 100%;
        }
      }
    }

    img, video {
      max-height: calc(100vh - 100px);
      max-width: calc(100vw - 16px);
      /* max-height: 720px;
      max-width: 1280px; */
    }

    img {
      object-fit: contain;
    }

    video {
      width: 100%;
      height: 100%;
      /* object-fit: cover; */
      object-fit: contain;
    }
    
    .media-viewer-caption {
      flex: 1;
      text-align: center;
      color: $darkgrey;
      transition: .2s;
      max-width: 50vw;
      word-break: break-word;
      overflow: hidden;
      text-overflow: ellipsis;

      &:hover {
        color: #fff;
      }
    }
  }

  &-switcher-left, &-switcher-right {
    position: absolute;
    left: 0;
    top: 0;
    width: 10rem;
    height: 100%;
    cursor: pointer;
    z-index: 5;

    &:hover {
      > span {
        opacity: 1;
      }
    }
  }

  &-switcher-right {
    left: auto;
    right: 0;
  }

  &-prev-button, &-next-button {
    cursor: pointer;
    position: absolute;
    color: #fff;
    font-size: 3rem;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
    opacity: 0;
    transition: .2s opacity;
    z-index: 5;
    /* box-shadow: 0 1px 2px 0 rgba(16, 35, 47, 0.07); */
  }

  &-next-button {
    left: auto;
    right: 2rem;
    transform: translateY(-50%) rotate(-90deg);
  }

  &-mover {
    position: fixed!important;
    z-index: 4;
    display: flex;
    justify-content: center;
    align-items: center; // mb net
    min-height: auto!important;
    //transition: .5s all;
    left: 0;
    top: 0;
    transform-origin: top left;
    overflow: hidden;
    //border-radius: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;

    .ckin__player {
      width: 100%;
      height: 100%;
    }

    img, video {
      width: 100%;
      height: 100%;
      opacity: 1;
      transition: .2s opacity;
      user-select: none;
    }

    &.cover {
      align-items: center;

      img, video {
        width: auto;
        height: auto;
        overflow: hidden;
        opacity: 0;
      }
    }

    &.active {
      transition: .2s transform;
    }

    &.moving {
      transition: 350ms transform ease;
    }
  }
}