materio-base-d7/modules/image/image.admin.css

/**
 * Image style configuration pages.
 */
div.image-style-new,
div.image-style-new div {
  display: inline;
}
div.image-style-preview div.preview-image-wrapper {
  float: left;
  padding-bottom: 2em;
  text-align: center;
  top: 50%;
  width: 48%;
}
div.image-style-preview div.preview-image {
  margin: auto;
  position: relative;
}
div.image-style-preview div.preview-image div.width {
  border: 1px solid #666;
  border-top: none;
  height: 2px;
  left: -1px;
  bottom: -6px;
  position: absolute;
}
div.image-style-preview div.preview-image div.width span {
  position: relative;
  top: 4px;
}
div.image-style-preview div.preview-image div.height {
  border: 1px solid #666;
  border-left: none;
  position: absolute;
  right: -6px;
  top: -1px;
  width: 2px;
}
div.image-style-preview div.preview-image div.height span {
  height: 2em;
  left: 10px;
  margin-top: -1em;
  position: absolute;
  top: 50%;
}

/**
 * Image anchor element.
 */
table.image-anchor {
  width: auto;
}
table.image-anchor tr.even,
table.image-anchor tr.odd {
  background: none;
}
table.image-anchor td {
  border: 1px solid #CCC;
}