Reorder columns in reverse order - css

Question

I have a list of flex items within a flexbox. The order of the items matter, and for accessibility purposes, the items need to show up in the correct order in the dom.
[[itema][itemb][itemc]]
When the flexbox shrinks I would like to have the items wrap in reverse order, e.g. itema wraps first, etc. Is there any way to have the itema wrap first? Thanks!
Edit:
Here is the code
<div class="flex">
<div class="container">
<div class="item">item1</div>
<div class="item orange">item2</div>
<div class="item blue">item3</div>
</div>
<div class="last-item green">menu</div>
</div>
.flex {
display: flex;
background-color: yellow;
height: 80px;
overflow: hidden;
color: #fff;
}
.container {
display: flex;
flex: 1 1 auto;
flex-wrap: wrap;
}
.item {
flex: 0 0 auto;
background-color: red;
height: 80px;
padding: 0 40px;
}
.last-item {
width: 40px;
flex: 0 0 auto;
height: 80px;
}
JSFiddle
All the behavior is as desired except I want the first item to wrap first. Any ideas? Thanks!

Answer 1

You can use the flex-direction: column-reverse to get your solution.
#media (max-width: 768px) {
.flex-box {
display: flex;
flex-direction: column-reverse;
}
}
.first,
.second,
.third {
display: inline-block;
}
<div class="flex-box">
<div class="first">
<p>First Box</p>
<img src="http://placehold.it/300x300" />
</div>
<div class="second">
<p>Second Box</p>
<img src="http://placehold.it/300x300" />
</div>
<div class="third">
<p>Third Box</p>
<img src="http://placehold.it/300x300" />
</div>
</div>
JSfiddle Demo

Answer 2

To make item1 wrap first, you can use flex-wrap: wrap-reverse on your flex container.
Try this simplified version of you code:
<div class="container">
<div class="item">item1</div>
<div class="item orange">item2</div>
<div class="item blue">item3</div>
</div>
.container {
display: flex;
flex: 0 1 auto;
flex-wrap: wrap-reverse;
}
.item {
background-color: red;
height: 80px;
padding: 0 40px;
}
.orange {
background-color: orange;
}
.blue {
background-color: blue
}
See the MDN reference for browser support.