CSS GUIv0.0.61PropertiesGitHub

Backgrounds

Background

Background blend mode

Typography

Font size
Line height
Letter spacing

Space

Padding
Margin

“The parameters comprise sequences which are theoretically infinite but limits are, of course, set to them in practice. There is an upward limit to size and certainly a downward one... Within these sequences there are reasonable bounds; extremes set by technical and functional experience”

In Designing Programmes by Karl Gerstner

.css-gui-element {
  font-size: 2rem;
  letter-spacing: initial;
  line-height: 1.5;
  font-family: Space Mono;
  background: url(https://source.unsplash.com/random) center center / 100% 100% no-repeat no-repeat fixed border-box border-box;
  padding: 128px;
}