The CSS rules and concepts linked below include methods for controlling the placement of page elements and layout formatting and behavior.

  • centering block elements – methods for automatically centering different types of content.
  • CSS Units – description of absolute and relative units and when/how to use them
  • CSS position property – specifies the type of positioning method used for an element (static, relative, fixed, absolute or sticky).
  • flexbox layout – flexbox is a display mode that makes it easier to design flexible layout structures.