#thumbnailView {
  width: calc(100% - 60px);
  top: 0;
  bottom: 0;
  padding: 10px 30px 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

#thumbnailView > a:active,
#thumbnailView > a:focus {
  outline: 0;
}

.thumbnail {
  margin: 0 10px 5px 10px;
}
.thumbnail {
  float: left;
}
html[dir='rtl'] .thumbnail {
  float: right;
}

#thumbnailView > a:last-of-type > .thumbnail {
  margin-bottom: 10px;
}

#thumbnailView > a:last-of-type > .thumbnail:not([data-loaded]) {
  margin-bottom: 9px;
}

.thumbnail:not([data-loaded]) {
  border: 1px dashed rgba(255, 255, 255, 0.5);
  margin: -1px 9px 4px 9px;
}

.thumbnailImage {
  border: 1px solid transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
  opacity: 0.8;
  z-index: 99;
  background-color: white;
  background-clip: content-box;
}

.thumbnailSelectionRing {
  border-radius: 2px;
  padding: 7px;
}

a:focus > .thumbnail > .thumbnailSelectionRing > .thumbnailImage,
.thumbnail:hover > .thumbnailSelectionRing > .thumbnailImage {
  opacity: .9;
}

a:focus > .thumbnail > .thumbnailSelectionRing,
.thumbnail:hover > .thumbnailSelectionRing {
  background-color: hsla(0,0%,100%,.15);
  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
  background-clip: padding-box;
  box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
  0 0 1px hsla(0,0%,100%,.2) inset,
  0 0 1px hsla(0,0%,0%,.2);
  color: hsla(0,0%,100%,.9);
}

.thumbnail.selected > .thumbnailSelectionRing > .thumbnailImage {
  box-shadow: 0 0 0 1px hsla(0,0%,0%,.5);
  opacity: 1;
}

.thumbnail.selected > .thumbnailSelectionRing {
  background-color: hsla(0,0%,100%,.3);
  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
  background-clip: padding-box;
  box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
  0 0 1px hsla(0,0%,100%,.1) inset,
  0 0 1px hsla(0,0%,0%,.2);
  color: hsla(0,0%,100%,1);
}