meshviewer/scss/modules/_node.scss

.bar {
  background: mix($color-new, $color-white, 60);
  display: block;
  height: 1.4em;
  position: relative;

  &.warning {
    background: mix($color-offline, $color-white, 60);

    span {
      background: $color-offline;
    }
  }

  span {
    background: $color-new;
    display: inline-block;
    height: 1.4em;
  }

  label {
    color: $color-white;
    font-weight: bold;
    position: absolute;
    right: .5em;
    top: .1em;
    white-space: nowrap;
  }
}