Multilayout prototype

by Filipp Dernovoy

HTML

<div class="container">

</div>
<button class="js-add-content">Add content</button>

CSS

.container {
  border: 1px dashed red;
  min-height: 100px;
  display: table;
  width: 100%;
  margin-bottom: 10px;
}
.content-row {
  display: table-row;
}
.content {
  
}