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CSS

Posted by Shay Paustovsky
Shay Paustovsky
969 Points

Vertical Margins confuse me

Hello,

I was watching the 3rd video in the "CSS Layout Basics" course about Vertical Margins, and why they collapse.

Now for the most part I got the idea: When 2 margins of block-level elements touch each other, they collapse to the larger margin between them.

Here's the question: IF : 

body {
  margin: 0px;
}

how can it collapse with the "h1" element and furthermore why guil says that the margin on the h1 "pushes down" the header

Thanks for all replies in advance

2 Answers

Steven Parker
Steven Parker
243,656 Points
Steven Parker
Steven Parker
243,656 Points

There are two kinds of margin collapse: between adjacent siblings, and on an edge shared by a parent and child. Since the code shown has no rules for h1 or heading, I'd guess your question refers to the behavior of the default margins in the second type.

You might find these references helpful: Mastering margin collapsing and What You Should Know About Collapsing Margins.

Shay Paustovsky
Shay Paustovsky
969 Points
Shay Paustovsky
Shay Paustovsky
969 Points

Thank you steve, your're awesome!