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HTML-CSS: Checkerboard background pattern

HTML-CSS : Exercise-29 with Solution

Using HTML, CSS creates a checkerboard background pattern.

  • Use background-color to set a white background.
  • Use background-image with two linear-gradient() values. Give each one a different angle to create the checkerboard pattern.
  • Use background-size to specify the pattern's size.
  • Note: The fixed height and width of the element is for demonstration purposes only.

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 creates a checkerboard background pattern</title>
</head>
<body>
<div class="w3rcheckerboard"></div>
</div>
</body>
</html>

CSS Code:

.w3rcheckerboard {
  width: 240px;
  height: 240px;
  background-color: #fff;
  background-image: linear-gradient(
      45deg,
      #000 25%,
      transparent 25%,
      transparent 75%,
      #000 75%,
      #000
    ),
    linear-gradient(
      -45deg,
      #000 25%,
      transparent 25%,
      transparent 75%,
      #000 75%,
      #000
    );
  background-size: 60px 60px;
  background-repeat: repeat;
}

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

How to get CSS to select ID that begins with a string ?

[id^=product]

^= indicates "starts with". Conversely, $= indicates "ends with".

The symbols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.

Ref: https://bit.ly/3rSZ2t7