Create Grids within Grids -- need help

HTML-CSS
1

Tell us what’s happening:

Your code so far


<style>
  .container {
    font-size: 1.5em;
    min-height: 300px;
    width: 100%;
    background: LightGray;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto 1fr auto;
    grid-gap: 10px;
    grid-template-areas:
      "advert header"
      "advert content"
      "advert footer";
  }
  .item1 {
    background: LightSkyBlue;
    grid-area: header;
  }
  
  .item2 {
    background: LightSalmon;
    grid-area: advert;
  }
  
  .item3 {
    background: PaleTurquoise;
    grid-area: content;
    /* enter your code below this line */
display: auto;
grid-template-columns: 1fr;



    /* enter your code above this line */
  }
  
  .item4 {
    background: lightpink;
    grid-area: footer;
  }
  
  .itemOne {
    background: PaleGreen;
  }
  
  .itemTwo {
    background: BlanchedAlmond;
  }
  
</style>
  
<div class="container">
  <div class="item1">header</div>
  <div class="item2">advert</div>
  <div class="item3">
    <div class="itemOne">paragraph1</div>
    <div class="itemTwo">paragraph2</div>
  </div>
  <div class="item4">footer</div>
</div>

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.1.2 Safari/605.1.15.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/css-grid/create-grids-within-grids

2

You need to give it display of grid.

And give grid-template-columns with values of auto and 1fr.

3

would that be
display: grid;
grid-template-columns: auto,1fr;

4

ohhh grid-template-column: auto 1fr;