hemtros
2/5/2017 - 8:07 PM

Discovering ins and outs of CSS

Discovering ins and outs of CSS

CSS Discovery
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1) HTM elements like p and h1 have default margins. Most probably the default margins are specified in   em. When margin is specified in em, it bases it's value in it's font-size. i.e If font-size of p is   20px and margin is 1 em, then it is computed to to 20px margin.

2 When margin is specified in %, it computes it's value based on width of its parent element.