Why Aren't Flex Properties Working on My Input and Button Elements?

Flex Properties Not Affecting Input/Button Elements in Flex Container

In Flexbox layouts, it's common for elements to not respond as expected to the flex or flex-grow properties. This issue specifically affects input and button elements.

Understanding the Default Behavior of Input Elements

Unlike div elements, input elements have a default width set by the browser. This can interfere with flex-based sizing.

When applying flex or flex-grow to an input element, the browser attempts to resize the element, but the default width overrides this effort. Consequently, these properties appear to have no effect.

Fixing the Issue

To resolve this issue, remove the default width of input elements using CSS:

input {
  width: inherit;
}

Alternatively, you can use a CSS reset to remove all default browser styling, including the default width of input elements.

Once the default width is removed, flex and flex-grow properties will work as expected on input and button elements within a Flexbox container.

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