In CSS3, utilize the calc() function to vertically center elements using viewport height (vh) and viewport

One of the most common cases involves using vh for setting the height of a div, and using vm for adjusting font size.

Using CSS3

div.outer { height: 20vh; }
div.inner { font-size: 3vw; height: auto; }
div.inner2 { font-size: 2vw; }

HTML - Scenario 1

<div.outer>
  <div.inner>center me!</div>
</div>

HTML - Scenario 2

<div.outer>
  <div.inner>center me top!</div>
  <div.inner2>center me bottom!</div>
</div>

Are there any possible ways to incorporate calc() and other CSS3 properties to vertically center the div.inner within the div.outer?

htmlcssstylesheetviewport-units

Answer №2

While this may not directly answer your specific question, I wanted to offer it as a potential alternative solution.

I have been dealing with a vertical alignment issue myself and up until recently, I had been relying on complicated JavaScript calculations to address it. However, this approach was not ideal as it would break if any parent elements were hidden.

If you are open to using CSS3, I recommend exploring the box-align property. It has proved to be effective for me in resolving similar issues.

http://www.w3schools.com/cssref/css3_pr_box-align.asp

Answer №3

A great strategy that may not be completely future-proof is applying top padding.

Unfortunately, the use of calc() with relative units like vh and vm did not function properly on Chrome (although this issue was resolved on 2014-04-30).

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