flex wrap
by Valentin Sarychev
HTML
<div class="container">
<div class="item">
<div class="abc">1</div>
</div>
<div class="item">
<div class="abc">2</div>
</div>
<div class="item">
<div class="abc">3</div>
</div>
<div class="item">
<div class="abc">4</div>
</div>
</div>
CSS
.container {
display: flex;
flex-flow: column wrap;
height: 100px;
overflow: hidden;
width: 200%;
margin-right: -50%;
}
.item {
flex: 1;
min-width: 200px;
height: 30px;
padding: 1px;
box-sizing: border-box;
}
.abc {
height: 100%;
width: 100%;
background: red;
color: white;
padding: 8px;
box-sizing: border-box;
}