hopglass/scss/_sidebar.scss

.nodeheader {
  width: 90%;
  position: relative;
  z-index: 2;
}

.nodeheader img {
  width: 30%;
  max-height: 180px;
  margin: auto;
  text-align: center;
  max-width: 128px;
  display: block;
  z-index: 2;
}

.nodeheader img .none {
  display: none;
}

.nodeheader span {
  background-color: silver;
  background-color: hsla(0, 0%, 100%, 0.5);
  position: absolute;
  bottom: 0;
  width: 100%;
  line-height: 1.5em;
  text-align: center;
  color: black;
  font-weight: bold;
  font-size: large;
  z-index: 2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}