How Can Flexbox Solve the Problem of a Floated Div Not Taking 100% Parent Height?

Float Div to 100% Height of Parent: Unveiling the Flexbox Solution

When attempting to set the height of a floated div to 100% of its parent's height, developers often encounter the issue of the div collapsing to 0px height. To address this challenge, flexbox offers an elegant solution.

The secret lies in modifying the CSS of the parent div as follows:

display: flex;

By setting this property, flexbox is enabled for the parent element, allowing for flexible layout of its children. For the specific use case of making a floated div 100% height of its parent, it is crucial to include vendor prefixes to ensure cross-browser compatibility. Consult resources like css-tricks.com for guidance on incorporating prefixes.

Additional Considerations:

1. Internet Explorer Support: It's worth noting that Internet Explorer versions prior to 9 do not support flexbox. Refer to caniuse.com for browser support information.
2. Align Items: By default, flexbox aligns child elements vertically (or horizontally, if flex-direction is set). However, if you prefer a different vertical alignment for the floated div, you can utilize the align-self property.
3. Live Demonstration: Explore a live demonstration of this solution on jsFiddle: https://jsfiddle.net/bv71tms5/2/

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