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How to Create a Curve on Top of a Background in CSS?

Linda Hamilton
Release: 2024-11-04 10:33:01
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How to Create a Curve on Top of a Background in CSS?

Creating a Curve on Top of a Background

In the realm of web development, designers often encounter the need to create curves for aesthetic purposes. One such scenario involves positioning a cutout curve on top of a background, rather than on the right.

To achieve this, it's necessary to modify the existing CSS code to adjust the positioning and shape of the curve. Here's how it's done:

  1. Adjust Pseudo-Element Position:

    • Change the position of the pseudo-elements (.box:before and .box:after) to bottom:100%. This will shift them to the bottom of the parent element .box.
  2. Modify Pseudo-Element Dimensions:

    • Set the height of the pseudo-elements to a specific value (e.g., 80px) to control the curve's height.
    • Adjust the width of the pseudo-elements to 50% to make them cover half of the .box width.
  3. Gradient Background Modification:

    • Modify the radial gradient backgrounds of .box:before and .box:after to create the desired curved shape. The technique involves creating two gradients with different colors and positioning them at the desired curve angles.
  4. Transform and Scaled Pseudo-Element:

    • Apply transform:scaleX(-1) to .box:after to flip it horizontally. This will create the curve's mirror effect.

By following these steps, you can successfully create a curve on top of a background and achieve the desired cutout effect.

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