Hola , alguien me puede ayudar con este ejercicio? pongo la repuesta correcta y me sigue diciendo que esta mal

Tell us what’s happening:
Describe your issue in detail here.

   **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: 1 / 3;

   /* 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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36

Challenge: Use grid-column to Control Spacing

Link to the challenge:

Your grid-column is covering the first 2 columns. The requirement is that it should cover the last 2.