Grid within a grid

HTML-CSS
1

Tell us what’s happening:
i dont get the question like sometimes i could put in somthing and i just have a slow mind

Your code so far
emphasized text


<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;
  /* Only change code below this line */
  grid-template-columns: auto
  grid-template-columns: 1fr;

  /* Only change 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 (X11; Ubuntu; Linux x86_64; rv:81.0) Gecko/20100101 Firefox/81.0.

Challenge: Create Grids within Grids

Link to the challenge:

2

Turn the element with the item3 class into a grid with two columns with a width of auto and 1fr using display and grid-template-columns .

you have found the item to change,

this is how the .container element is made into a grid, you need to replicate that with the required element so to have a grid inside a grid