Flex-Grow Not Working in Internet Explorer 11

flex-grow isn't rendering correctly in Internet Explorer 11 (IE11)

The primary problem is that IE11 is riddled with flexbox-related bugs (flexbugs).

The specific problem is that flex-grow isn't strong enough to get flex items to wrap in IE11.

You have this rule in your code: flex: 1 100%. It uses a shorthand property that breaks down to:

• flex-grow: 1
• flex-shrink: 1 (by default)
• flex-basis: 100%

Because you've set flex-basis to 100%, and the container is set to wrap, that should be enough to get subsequent items to wrap.

Since flex-basis: 100% consumes all space in the row, there's no space remaining for other items. So they must wrap. Chrome gets this.

However, IE11, for whatever reason, sees subsequent items set to flex: 1 0% and says this:

Okay, flex-grow is set to 1, but there's no free space on the line. So there's no space to distribute. And flex-basis is set to 0. This item must be width: 0. No need to wrap anything.

To workaround this logic, while maintaining cross-browser compatibility, add some width to items that must wrap. Try flex-basis: 1px instead of flex-basis: 0.

#nav {
  flex: 1 1px;
  background-color: green;
}

#notepad {
  flex: 1 1px;
  background-color: yellow;
}

revised demo

Flexbox not working in Internet Explorer 11

According to Flexbugs:

In IE 10-11, min-height declarations on flex containers work to size the containers themselves, but their flex item children do not seem to know the size of their parents. They act as if no height has been set at all.

Here are a couple of workarounds:

1. Always fill the viewport + scrollable <aside> and <section>:

html {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin: 0;
}

header,
footer {
  background: #7092bf;
}

main {
  min-height: 0; /* added 2021*/
  flex: 1;
  display: flex;
}

aside, section {
  overflow: auto;
}

aside {
  flex: 0 0 150px;
  background: #3e48cc;
}

section {
  flex: 1;
  background: #9ad9ea;
}

<header>
  <p>header</p>
</header>

<main>
  <aside>
    <p>aside</p>
  </aside>
  <section>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
    <p>content</p>
  </section>
</main>

<footer>
  <p>footer</p>
</footer>

Flex-grow in IE11 doesn't vertically stretch

Seems IE11 has an issue with only having min-height.

Try adding a base height.

.p{
  display: flex;
  min-height:100%;
  height: 100%;
}

body,html {  background-color: red;  min-height: 100%;  height: 100%;  padding: 0;  margin: 0;}.p {  display: flex;  min-height: 100%;  height: 100%;}.c1 {  flex: 1;  background-color: gray;}

<div class="p">  <div class="c1">    asdasd  </div></div>

display: flex not working on Internet Explorer

Internet Explorer doesn't fully support Flexbox due to:

Partial support is due to large amount of bugs present (see known
issues).

_{Screenshot and infos taken from caniuse.com}

Notes

Internet Explorer before 10 doesn't support Flexbox, while IE 11 only supports the 2012 syntax.

Known issues

• IE 11 requires a unit to be added to the third argument, the flex-basis property see MSFT documentation.
• In IE10 and IE11, containers with display: flex and flex-direction: column will not properly calculate their flexed childrens' sizes if the container has min-height but no explicit height property. See bug.
• In IE10 the default value for flex is 0 0 auto rather than 0 1 auto as defined in the latest spec.
• IE 11 does not vertically align items correctly when min-height is used. See bug.

Workarounds

Flexbugs is a community-curated list of Flexbox issues and cross-browser workarounds for them. Here's a list of all the bugs with a workaround available and the browsers that affect.

1. Minimum content sizing of flex items not honored
2. Column flex items set to align-items: center overflow their container
3. min-height on a flex container won't apply to its flex items
4. flex shorthand declarations with unitless flex-basis values are ignored
5. Column flex items don't always preserve intrinsic aspect ratios
6. The default flex value has changed
7. flex-basis doesn't account for box-sizing: border-box
8. flex-basis doesn't support calc()
9. Some HTML elements can't be flex containers
10. align-items: baseline doesn't work with nested flex containers
11. Min and max size declarations are ignored when wrapping flex items
12. Inline elements are not treated as flex-items
13. Importance is ignored on flex-basis when using flex shorthand
14. Shrink-to-fit containers with flex-flow: column wrap do not contain their items
15. Column flex items ignore margin: auto on the cross axis
16. flex-basis cannot be animated
17. Flex items are not correctly justified when max-width is used

Internet Explorer 11 flexbox issues

Simply adding 100% width to the body fixed my problem.

Flex-wrap does not wrap items in IE11

You could refer to this code sample. The image is original size at first and the left and right parts are of the same width. It works well in IE 11 :

.d1 {
  display: flex;
  flex-wrap: wrap;
  padding: 4%;
}

.image-container {
  align-items: center;
  display: flex;
  flex: 1;
  justify-content: center;
  min-width: 200px;
}

.d1 .text {
  flex: 1;
  padding: 2%;
}

/* adjustment */
img {
  width: 100%;
  height: auto;
  max-width: 300px;
}

<div class="d1">
  <div class="image-container">
    <img src="https://emilythompsonflowers.com/wp-content/uploads/2016/08/hippie-flower-300x300.jpg">
  </div>
  <div class="text">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor
    in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
  </div>
</div>

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