CSS Grid two columns in the first row and three columns in the second and third row [duplicate]

问题

This question already has answers here:

Can I have a varying number of columns per row in a CSS grid? (5 answers)

Closed 4 months ago.

I am trying to understand how to achieve a layout that takes two columns in the first row and three columns in the second row, third row, and so on.

<section>
   <div>1</div>
   <div>2</div>
   <div>3</div>
   <div>4</div>
   <div>5</div>
   <div>6</div>
   <div>7</div>
   <div>8</div>
</section>

//CSS
section {
   display: grid;
   grid-template-columns: 1fr 1fr;
}

The above code will give me two-column layout but how to modify it to achieve mentioned layout.

回答1:

You can try like below:

section {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-gap: 5px;
}

section div {
  grid-column: span 3;
  height: 50px;
  background: red;
}

section div:nth-child(n + 3) {
  grid-column: span 2;
}

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
  <div>6</div>
  <div>7</div>
  <div>8</div>
</section>

回答2:

This is what I wanted actually.

section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 5px;
}

div {
  height: 50px;
  background: red;
}
div:first-child {
  grid-column: 1 / 3;
}

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
  <div>6</div>
  <div>7</div>
  <div>8</div>
</section>

来源：https://stackoverflow.com/questions/61398763/css-grid-two-columns-in-the-first-row-and-three-columns-in-the-second-and-third