<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="grid-box"> <div class="header"></div> <div class="navbar"></div> <div class="content"></div> <div class="footer"></div> </div>

*{ margin: 0; padding: 0; box-sizing: border-box; } .grid-box { display: grid; grid-template-areas: "header header header" "navbar content content" "footer footer footer"; grid-template-rows: 100px 1fr 50px; grid-template-columns: 150px 1fr 1fr; height: 100vh; gap: 10px; } .header { grid-area: header; background-color: lightcoral; } .navbar { grid-area: navbar; background-color: lightblue; } .content { grid-area: content; background-color: lightgreen; } .footer { grid-area: footer; background-color: lightgray; }