Why Don't My Flex Container's Input Elements Shrink?

Flex Container Elements Not Shrinking

When attempting to utilize flex and flex-grow within a flex container housing input and button elements, the expected resizing behavior may not occur. This anomaly arises from the default width assigned to input elements by browsers, unlike divs.

Below is a snippet depicting the browser's automatic width assignment:

In this scenario, the browser attributes a set width to the input, regardless of flex settings.

Consider the following:

input {
  border: 1px solid blue;
  display: inline;
}

div {
  border: 1px solid red;
  display: inline;
}

<form>
  <input>
  <br><br>
  <div></div>
</form>

In the provided snippet, the input element retains its default width, while the div adapts to fit the flex container's dimensions.

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