FAQ: CSS Grid Essentials - Multiple Row Items

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This community-built FAQ covers the “Multiple Row Items” exercise from the lesson “CSS Grid Essentials”.

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[chukwubuikemezeoke12]

grid-template: repeat(4, 1fr 2fr) / repeat(4, 3fr 2fr);
This above is the code used in the exercise for the parent element. the question demanded you apportion a child item to occupy the fifth and sixth rows. but from the code above the parent grid has only four rows.

[mtf]

@chukwubuikemezeoke12

the parent grid has only four rows.

From this we can conclude that the grid has 8 rows…

  <div class="grid">
    <div class="box a">A</div>
    <div class="box b">B</div>
  </div>

.a {
  grid-row-start: 5;
  grid-row-end: 7;
}
.b {
  grid-row-start: 7;
  grid-row-end: 9;
}

[chukwubuikemezeoke12]

I‎ just got it. I forgot that repeat(4, 1fr 2fr) means duplicate

[medozhasa]

Why do we use two separate classes

.box and .a 

instead of just

 .box a

[mtf]

@medozhasa

.box a

With no class denotation (the dot) the a is seen as an element type, meaning it would look like this in the HTML…

<div class="box">
    <a href="#">link text</a>

With the dot it is a combinator where both classes must match.

<div class"box a">

[medozhasa]

This helped. Thank you.

[devlukasiewicz]

Does anyone understand what having negative grid-row-start/end does? The link didn’t really help me.

[smallfurrr]

From my understanding, negative integers basically start counting from the END of the grid. So grid-row-start: -1; would select the last grid line in the grid as the starting point. I suppose this might be useful if you don’t know exactly how many rows you have.

Can someone more knowledgeable correct me if I’m wrong.

[rodolfovienna]

@chukwubuikemezeoke12

I forgot that repeat(4, 1fr 2fr) means duplicate

Hi guys,
sorry but I have a question.

I have understood that the first value in repeat, defines the number of rows or columns in a grid. The next 2 values define the size of those rows or columns.
I did not read that the first value duplicates something.

When we write repeat(3, 100px) we mean 3 rows or columns of 100px, not 6…
Morover, if this code means duplicate → repeat(4, 1fr 2fr) ← which size should have row or columns?

I am confused

[mtf]

@rodolfovienna

repeat(4, 1fr 2fr)

The spread is akin to four columns/rows, each containing two columns/rows, the first is half the size of the second.

 1fr    2fr
 ---- -------- ---- -------- ---- -------- ---- --------
|    |        |    |        |    |        |    |        |

[core3047804835]

I was confused by this too, reread activity 7, particularly the bottom bit.

[methodrunner41098]

7.1. The Explicit Grid
Numeric indexes in the grid-placement properties count from the edges of the explicit grid. Positive indexes count from the start side (starting from 1 for the start-most explicit line), while negative indexes count from the end side (starting from -1 for the end-most explicit line).

and here…

8.3. Line-based Placement: the grid-row-start , grid-column-start , grid-row-end , and grid-column-end properties
If a negative integer is given, it instead counts in reverse, starting from the end edge of the explicit grid.

[achz1989]

Unlike the previous exercises in which we could see all the grids visually indicated by blue borders; why is that we cannot see other grids in this one and only the grid for A is shown?