... narrow HTML5 & CSS3 for the Real World2 18Interfaces The HTML5, CSS3, and related specifications contain plenty of “interfaces” like the above. These can seem scary at first, but don’t worry. They’re ... presence17http://welcome.totheinter.net/columnizer-jquery-plugin/ HTML5 & CSS3 for the Real World2 20Here There be DragonsA word of warning: as you know, the P in API stands for Programming—so there’llbe some JavaScript code in the next two ... ensuresreadability, as shown in Figure 9. 6.Figure 9. 6. Declaring a column-width in ems ensures a minimum number of characters on each line HTML5 & CSS3 for the Real World2 14Adding these extra font...