CSS Properties: How to center items at the center of the container?

Last update on August 19 2022 21:51:55 (UTC/GMT +8 hours)

Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>How to center items at the center of the container</title>
</head>
<body>
<div id="xyz">
<p>align-content: center</p>
<div id="w3r">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</div>
<style type="text/css">
#xyz > div {
display: -webkit-flex;
display: -ms-flex;
display: flex;
-webkit-flex-flow: row wrap;
flex-flow: row wrap;
width: 140px;
height: 140px;
background: #CC0000;
}

#xyz > div > div {
  margin: 2px;
  width: 30px;
  min-height: 30px;
  background: #FFCC99;
}

#w3r {
  -webkit-align-content: center;
  align-content: center;
}
</style>
</body>
</html>

Live Demo:

See the Pen align-content-center-answer by w3resource (@w3resource) on CodePen.

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HTML-CSS: Tips of the Day

CSS strikethrough different color from text?

Yes, by adding an extra wrapping element. Assign the desired line-through color to an outer element, then the desired text color to the inner element. For example:

<span style='color:red;text-decoration:line-through'>
  <span style='color:black'>black with red strikethrough</span>
</span>

...or...

<strike style='color:red'>
  <span style='color:black'>black with red strikethrough<span>
</strike>

(Note, however, that <strike> is considered deprecated in HTML4 and obsolete in HTML5. The recommended approach is to use <del> if a true meaning of deletion is intended, or otherwise to use an <s> element or style with text-decoration CSS as in the first example here.)