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HTML-CSS: Flexbox centering

HTML-CSS : Exercise-27 with Solution

Using HTML, CSS horizontally and vertically centers a child element within a parent element using flexbox.

  • Use display: flex to create a flexbox layout.
  • Use justify-content: center to center the child horizontally.
  • Use align-items: center to center the child vertically.

HTML Code:

<!--License: https://bit.ly/3GjrtVF-->
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Using HTML, CSS horizontally and vertically centers a child element within a parent element using flexbox</title>
</head>
<body>
<div class="flexbox-centering">
  <div>w3resource.com</div>
</div>
</body>
</html>

CSS Code:


.flexbox-centering {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100px;
}

HTML-CSS Editor:

See the Pen html-css-practical-exercises by w3resource (@w3resource) on CodePen.


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HTML-CSS: Tips of the Day

What is the difference between id and class in CSS, and when should I use them?

Example:

<div id="header_id" class="header_class">
Text
</div>

#header_id {font-color:#fff}
.header_class {font-color:#000}

(Note that CSS uses the prefix # for IDs and . for Classes.)

However color was an HTML 4.01 <font> tag attribute deprecated in HTML 5. In CSS there is no "font-color", the style is color so the above should read:

Example:

<div id="header_id" class="header_class">
Text
</div>

#header_id {color:#fff}
.header_class {color:#000}

The text would be white.

Ref: https://bit.ly/39Stv4P