# build-complex-layouts-with-css-grid-layout
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<link href="https://cdnjs.cloudflare.com/ajax/libs/normalize/3.0.2/normalize.min.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div class="container">
<div class="box a">A</div>
<div class="box b">B</div>
<div class="box c">C</div>
<div class="box d">D</div>
<div class="box e">E</div>
<div class="box f">F</div>
<div class="box g">G</div>
<div class="box h">H</div>
<div class="box i">I</div>
<div class="box j">J</div>
<div class="box k">K</div>
<div class="box l">L</div>
<div class="box m">M</div>
<div class="box n">N</div>
<div class="box o">O</div>
<div class="box p">P</div>
<div class="box q">Q</div>
<div class="box r">R</div>
<div class="box s">S</div>
<div class="box t">T</div>
<div class="box u">U</div>
<div class="box v">V</div>
<div class="box w">W</div>
<div class="box x">X</div>
<div class="box y">Y</div>
<div class="box z">Z</div>
</div>
</body>
</html>
.container {
display: grid;
grid-gap: 10px;
height: 100vh;
grid-template-columns:
[start]
repeat(3,
[col-sml-start] minmax(20px, auto)
[col-sml-end col-med-start] minmax(40px, auto)
[col-med-end col-sml-start] minmax(20px, auto)
[col-sml-end col-lrg-start] minmax(80px, auto)
[col-lrg-end]
) [end]
}
.box {
background-color: orangered;
font-size: 20px;
}