I recently took a quiz on web development and got one question wrong. I am confused as to why the correct answer is 10. Can someone please explain?
My calculation was that it should be 15px because there is a 10px margin-bottom for element one, and a 5px margin-top for element two.
So, 10px + 5px = 15px, right? But the correct answer given is just 10px and I'm not sure why.
I initially answered 15px but that was marked incorrect. Any insight would be appreciated.
Absolutely, the correct answer is indeed 10px. It is clear from the question that both elements' margins will collapse with each other, and in such cases, the larger margin prevails.
If you want to dive deeper into this concept, I recommend checking out this insightful article about collapsing margins.
For more detailed examples and information, visit the Mozilla documentation on margin collapsing.
Hey Harvey,
Pay close attention to the question as it drops a clue for you. It mentions overlapping margins, which means when two divs have margins, the smaller one gets obscured by the larger one. Give it a go.
Take a look below at how the spacing remains consistent
.large {
margin-bottom: 30px;
}
#small {
margin-top: 30px;
}<div class="large">
abc
</div>
<div id='small'>
xyz
</div>
<div class="large">
abc
</div>
<div id='small2'>
xyz
</div>When vertical margins of two elements collapse, it is referred to as margin collapse. In this scenario, the margin values are equal to the largest margin and the smaller margins overlap the larger one.
Contrary to common belief, CSS doesn't combine margins arithmetically; rather, it prioritizes the larger margin when two margins overlap. For instance, if one element has a margin of 10px and another has 5px, CSS will choose the 10px margin, resulting in a total gap of 10px between the elements instead of 15px.
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