HELP: Media Queries to Create Responsive Layouts (stuck)

HTML-CSS
1

Tell us what’s happening:
Hello all! I’m afraid I can’t quite figure out what to do here! I think it requires grid-template-columns and grid-template-rows, but have no idea what that might look like. Any help would be greatly appreciated!

Your code so far


<style>
  .item1 {
    background: LightSkyBlue;
    grid-area: header;
  }
  
  .item2 {
    background: LightSalmon;
    grid-area: advert;
  }
  
  .item3 {
    background: PaleTurquoise;
    grid-area: content;
  }
  
  .item4 {
    background: lightpink;
    grid-area: footer;
  }
  
  .container {
    font-size: 1.5em;
    min-height: 300px;
    width: 100%;
    background: LightGray;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 50px auto 1fr auto;
    grid-gap: 10px;
    grid-template-areas:
      "header"
      "advert"
      "content"
      "footer";
  }
  
  @media (min-width: 300px){
    .container{
      grid-template-columns: auto 1fr;
      grid-template-rows: auto 1fr auto;
      grid-template-areas:
        "advert header"
        "advert content"
        "advert footer";
    }
  }
  
  @media (min-width: 400px){
    .container{
      /* change the code below this line */
    
      grid-template-areas:
        "advert header"
        "advert content"
        "advert footer";
    
    /* change the code above this line */
    }
  }
</style>
  
<div class="container">
  <div class="item1">header</div>
  <div class="item2">advert</div>
  <div class="item3">content</div>
  <div class="item4">footer</div>
</div>

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_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/use-media-queries-to-create-responsive-layouts

2

Think of your page as a table with 2 columns and 3 rows as follows:

1 2
3 4
5 6
As of now, cell 1 is occupied by "advert" and cell 2 is occupied by "header". What challenge wants you to do is make header occupy both cells 1 and 2 and footer to occupy cell 5 and cell 6. With this hint, try solving now.
3