# 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="grid-item">1</div>
    <div class="grid-item">2</div>
    <div class="grid-item">3</div>
    <div class="grid-item">4</div>
    <div class="grid-item">5</div>
    <div class="grid-item">6</div>
    <div class="grid-item">7</div>
    <div class="grid-item">8</div>
    <div class="grid-item">9</div>
    <div class="grid-item">10</div>
    <div class="grid-item">11</div>
    <div class="grid-item">12</div>
    <div class="grid-item">13</div>
    <div class="grid-item">14</div>
    <div class="grid-item">15</div>
    <div class="grid-item">16</div>
    <div class="grid-item">17</div>
    <div class="grid-item">18</div>
    <div class="grid-item">19</div>
    <div class="grid-item">20</div>
  </div>
  </body>
</html>
.container {
  display: grid;
  height: 100vh;
  grid: 3fr 14fr / auto-flow dense 4fr 2fr;
  grid-gap: 20px;

}

.grid-item {
  background-color: crimson;
}

.grid-item:nth-of-type(2) {
  grid-row: span 3;
}