Css grid:Using grid to control spacing

HTML-CSS
1

Tell us what’s happening:
What is the solution to the problem

Your code so far


<style>
.item1{background:LightSkyBlue;}
.item2{background:LightSalmon;}
.item3{background:PaleTurquoise;}
.item4{background:LightPink;}

.item5 {
  background: PaleGreen;
  /* Only change code below this line */
grid-column: 2/4;


  /* Only change code above this line */
}

.container {
  font-size: 40px;
  min-height: 300px;
  width: 100%;
  background: LightGray;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  grid-gap: 10px;
}
</style>

<div class="container">
<div class="item1">1</div>
<div class="item2">2</div>
<div class="item3">3</div>
<div class="item4">4</div>
<div class="item5">5</div>
</div>

Your browser information:

User Agent is: Mozilla/5.0 (Linux; Android 7.0; TECNO WX3 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36.

Challenge: Use grid-column to Control Spacing

Link to the challenge:

2

It seems that there is nothing wrong with your code.
What seems to be the problem?