How Can I Successfully Implement Flexbox\'s \'Sticky Footer\' in Internet Explorer 11?

Flexbox in Internet Explorer 11: Exploring Potential Roadblocks

Navigating the realm of CSS flexbox can be a daunting task, especially when considering the varying levels of browser compatibility. While most modern browsers support flexbox seamlessly, Internet Explorer 11 presents a notable challenge. One issue arises when attempting to implement the "Sticky Footer" example from "Solved by Flexbox" without inducing unexpected behavior.

To delve into the solution, it's crucial to understand the impact of display:flex on the and width:100% on the elements. According to CanIUse, IE10 and IE11 interpret flex:1 differently from other browsers due to a historical divergence from the draft specification. By default, they assign 0 0 auto instead of 0 1 auto to flex items.

To address this issue, adjust the flex parameter to 1 0 0 in your CSS. This modification should alleviate the problem, at least partially. However, this change may unintentionally disrupt functionality in Firefox. To mitigate this, employ targeting hacks specifically for Mozilla to revert flex back to its intended value.

For instance:

@-moz-document url-prefix() {
 #flexible-content{
      flex: 1;
    }
}

Remember, flexbox remains a W3C Candidate Recommendation, which contributes to disparities in browser interpretations. As the specification finalizes, it's expected that these inconsistencies will diminish.

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