CSS not affecting DIV height properly

Alright, so I'm facing a little issue with a div that's nested within a form. The form has been set to a minimum height of 100%, however, the child div doesn't seem to stretch even after adjusting the height or min-height properties to 100%. Interestingly, when the form's height property (not min-height) is set to 100%, the div stretches just fine. Any idea what's causing this?

<form>
<div id="host">
</div>
</form>

body, html{
    height: 100%;
}
form
{
    min-height: 100%;
}

#host{
    min-height: 100%;
    background-color: red;
}

http://jsfiddle.net/fkuE8/

Answer №1

The min-height property is essential for establishing the minimum height of an element as demonstrated below:

  height: 100%;         /* occupies full height */
  min-height: 100px;   /* ensures a minimum of 100px */

When utilizing a percentage, the element will consume only the necessary space.

Answer №2

Ensure the form has a height of 100%

body, html, form {
    height: 100%;
}

Check out the demonstration here

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