• Space between lines.
  • Space between paragraphs.
  • Can help users who have difficulty tracking text horizontally.
  • Contributes to a cleaner, more aesthetically pleasing interface for everyone.

Sample CSS with white space

  p, li, blockquote { 
    line-height: 1.5em;
	  margin-bottom: 1.5em; 

Clean and simple is good.

Screen shot of the Google search screen, which has a famously clean and simple visual interface