


Why Does a Transparent Border Break My Gradient Background, and How Can I Fix It?
Nov 23, 2024 am 05:44 AMBorder Overflows Gradient Background
When adding a transparent border to an element with a linear-gradient background, unexpected effects can arise. The left and right sides may exhibit incorrect colors and a flat appearance.
Cause
The gradient extends to the edges of the padding-box, while the border is drawn outside this area. This disparity creates an undesirable visually.
Solution
To rectify this issue, consider using box-shadow:inset instead of border. box-shadow:inset is rendered within the padding-box, mimicking the effect of a border without affecting the background's appearance.
Revised CSS:
box-shadow: inset 0 0 0 10px rgba(0,0,0,0.2); padding: 10px;
Note: Since box-shadow doesn't occupy space, adjust the padding accordingly.
Illustration:
[Image of padding-box and border-box illustration here]
Demo:
http://jsfiddle.net/ilpo/fzndodgx/5/
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