scinote-web/app/assets/stylesheets/shared/file_preview.scss

// scss-lint:disable IdSelector PropertyUnits NestingDepth SelectorDepth

// Image preview modal
#filePreviewModal {
  background: transparent;
  font-size: $font-size-base;
  padding: 0;
  z-index: 1060;

  .modal-dialog {
    background: inherit;
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
  }

  .modal-content {
    background: inherit;
    border: 0;
    border-radius: 0;
    height: auto;
    min-height: 100%;
    padding: 0;
  }

  .file-preview-container {
    align-items: center;
    display: flex;
    height: 100%;
    justify-content: center;
    text-align: center;
    width: 100%;

    &.processing {
      background-image: url("/images/medium/loading_white.svg");
      background-position: center;
      background-repeat: no-repeat;
      background-size: 64px;
    }

    .wopi-file-preview {
      height: 100%;
      width: 100%;
    }

  }

  img {
    background: url(asset-path("custom/checkerboard-pattern.png"));
    height: auto;
    max-width: 100%;

    @media (max-height: 520px) {
      height: 80%;
      max-width: 100%;
    }
  }

  .modal-header {
    align-items: center;
    background: $color-white;
    display: flex;
    height: 4em;
    padding: 0 1em;

    .file-name {
      font-weight: bold;
      margin-right: auto;
    }

    .asset-context-menu {
      float: left;
    }
  }

  .modal-body {
    align-items: center;
    background: transparent;
    display: flex;
    height: calc(100vh - 8em);
    justify-content: center;
    overflow: hidden;
    padding: 0;
    width: 100%;
  }

  .modal-footer {
    background: $color-white;
    height: 4em;
    padding: 0 1em;

    .gallery {
      align-items: center;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      height: 100%;
      padding: 0 1em;
      width: 100%;

      img {
        max-height: 2em;
        max-width: 2em;
      }


      .file-counter {
        font-weight: bold;
        grid-column-start: 2;
        margin: 0 auto;
      }

      .gallery-switcher {
        align-items: center;
        color: $color-black;
        display: flex;

        &:hover {
          text-decoration: none;
        }

        .file-name {
          display: inline-block;
          max-width: 16em;
          overflow: hidden;
          text-overflow: ellipsis;
          white-space: nowrap;
        }


        .fa-angle-right,
        .fa-angle-left {
          margin: 0 .5em;
        }

        &.previous-asset {
          grid-column-start: 1;
          margin-right: auto;
        }

        &.next-asset {
          grid-column-start: 3;
          margin-left: auto;
        }
      }
    }
  }

  .btn-light:not(.file-download-link) {
    .fas {
      margin-right: 0;
    }
  }
}

.modal-backdrop.in {
  opacity: .4;
}