March 2016
Beginner
838 pages
14h 58m
English
Content preview from Web Developer's Reference GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Unit
CSS unit is a type of data with which we can define measurements, and it looks like this:
max-height: 150px;Alternatively, it could also look like this:
transform: rotate(45deg);There is no space between the number and the unit.
In most cases, the unit isn't required after the number 0 (zero).
There are several types of length units, such as described in the following explanations.
Relative length units
They are dependent on another element's length (usually, a parent element in the DOM) that relates directly to the element in question. When the other element's length changes, the length of the element in question maintains the defined proportion. In other words, there is no need to declare the length of the child element again.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.