Main Layout

by incutonez

HTML

<div class="grid">
  <div class="item-1">
    Sidebar
  </div>
  <div class="item-2">
    Search bar
  </div>
  <div class="item-3">
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
    <div>
      Content
    </div>
   ...

CSS

body, html {
  height: 100%;
  width: 100%;
  margin: 0;
}

.grid {
  height: 100%;
  display: grid;
  grid-template-rows: 40px 1fr;
  grid-template-columns: 30px repeat(12, 1fr);
}

.item-1 {
  background-color: blue;
  grid-row: 1 / -1;
}

.item-2 {
  background-color: red;
  grid-column: span 12 / span 12;
}

.item-3 {
  background-color: green;
  grid-column: span 12 / span 12;
  overflow: auto;
}