Implement Holy Grail Layout which includes header, left sidebar, body, right sidebar and footer. 1. it should be sticky footer 2. left sidebar and rig…

22. Grid Layout 1

20. sticky footer

21. Holy Grail Layout

<pre class="shiki github-dark shaku"><code>.header, .footer{ width: 100%; height: 50px;}.body{ flex: 1 1 auto; min-height: calc(100vh - 100px);}.left-sidebar, .right-sidebar{ width: 100px;}.container{ display: flex; flex-wrap: wrap; min-height: 100vh;}</code></pre>