Indicate img elements that miss alt attribute
Written byPhuoc Nguyen
Category
Tip
Tags
A11y, Accessibility, CSS
Created
22 Feb, 2021
The following CSS gives a red outline to any img having a missing or blank alt attribute:
img:not([alt]),
img[alt=''] {
outline: 8px solid red;
}If you are using Visual Studio Code, you can install the webhint extension. It will automatically detect the issue and show the details when you hover on the element.
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Phước Nguyễn