flex

by DemonTut

HTML

<div class="container">
  <div class="main">main</div>
  <div class="side1">side1</div>
  <div class="side2">side2</div>
</div>

SCSS

.container {
  display: flex;

  div {
    flex: 1;
    border: 1px solid black;
  }
  
  .side1{
    order: -1;
  }
}