XHTML/ CSS - Margin

Margin is the space around an element. There is default margins, but you can move elements around and in relation to each other using margin elements.

Definition and Usage

The margin property sets the margins for an element, and is a shorthand property for the following properties:
If the margin property has four values:
  • margin: 10px 5px 15px 20px;
    • top margin is 10px
    • right margin is 5px
    • bottom margin is 15px
    • left margin is 20px
If the margin property has three values:
  • margin: 10px 5px 15px;
    • top margin is 10px
    • right and left margins are 5px
    • bottom margin is 15px
If the margin property has two values:
  • margin: 10px 5px;
    • top and bottom margins are 10px
    • right and left margins are 5px
If the margin property has one value:
  • margin: 10px;
    • all four margins are 10px
Note: Negative values are allowed.

https://www.w3schools.com/cssref/pr_margin.asp

https://www.youtube.com/watch?v=veKHw125UJs&index=23&list=PLC1322B5A0180C946

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