#pin-all {
  border: none;
  width: 6ch;
  background: 
    repeating-linear-gradient(90deg, 
        dimgrey 0, 
        dimgrey 1ch, 
        transparent 0, 
        transparent 1.5ch) 
      0 100%/100% 2px no-repeat;
  color: dimgrey;
  font: 3ch consolas, monospace;
  letter-spacing: .45ch;
}