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Taishi
Taishi

Reputation: 1142

CSS Grid: Is it possible to apply color to grid gaps?

Is there a way to style more than just the width of the grid gaps within the CSS grid layout module? I can't find anything about it in the documentation, however one would tend to think that it would be possible as grid gaps tend to be colored in many designs. If it is not possible, is there a workaround?

Upvotes: 94

Views: 168663

Answers (10)

Max
Max

Reputation: 324

If you don't know in advance how many columns will fit in your container, this is how I would do it (works for any number of columns and of any size. Also, this method do not style empty items):

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, auto));
  grid-auto-rows: minmax(80px, auto);
  border-top: 1px solid #000;
  border-left: 1px solid #000;
  clip-path: inset(1px); /* optional to hide outer borders */
}

.grid-item {
  border-bottom: 1px solid #000;
  border-right: 1px solid #000;
}

 /* not required */
.grid-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background:#f5f5f5;
}
<div class="grid">
  <div class="grid-item">Item 1</div>
  <div class="grid-item">Item 2</div>
  <div class="grid-item">Item 3</div>
  <div class="grid-item">Item 4</div>
  <div class="grid-item">Item 5</div>
  <div class="grid-item">Item 6</div>
  <div class="grid-item">Item 7</div>
  <div class="grid-item">Item 8</div>
  <div class="grid-item">Item 9</div>
  <div class="grid-item">Item 10</div>
  <div class="grid-item">Item 11</div>
<div>

Upvotes: 3

Gavo
Gavo

Reputation: 25

There is a way:

.container{
    background: white;
}
.wrapper {
    gap: 1px;
    background: red;
}
.wrapper .child {
    background: white;
}

Upvotes: 0

Phuoc Le
Phuoc Le

Reputation: 51

There is a workaround way: use pseudo :after or :before in each column to apply background color to grid gap.

.grid-column::after {
          position: absolute;
          right: -20px; // grid-gap
          top: 0;
          height: 102px; // grid row height
          width: 20px; // grid-gap
          display: block;
          content: '';
          background-color: black !important;
}

Upvotes: 2

Bob van den Berg
Bob van den Berg

Reputation: 244

You can also choose to leave out the grid gaps and use the border on the underlying div like so:

CSS:

.grid {
  display: inline-grid;
  border: red solid;
  width: 200px;
  height: 100%;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
}
.grid div {
  border: red solid;
}

and the HTML:

<div className="grid">
  <div>text</div>
  <div>text</div>
  <div>text</div>
  <div>text</div>
  <div>text</div>
  <div>text</div>
  <div>text</div>
  <div>text</div>
</div>

I believe this achieves what you wanted to achieve:

Image showing grid example

Upvotes: -1

NVRM
NVRM

Reputation: 13083

It's not possible, but simply by setting a border in cascade: this affects text and divs positions.

.grids {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  background: #222;
  height: 326px;
  width: 455px;
  color: white
}

.grids > div {
  border: 4px red solid
}
<div class="grids">

  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  
</div>

By using outline, the positions is unchanged:

.grids {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  background: #222;
  height: 326px;
  width: 455px;
  color: white
}

.grids > div {
  outline: 4px red solid;
}
<div class="grids">

  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  <div>f</div>
  
</div>

Upvotes: 2

Milan Kosir
Milan Kosir

Reputation: 31

Setting background-color on grid will color your gaps. For example:

    section {
            display: grid;
            grid-gap: 15px;
            grid-template-columns: 1fr 1fr 1fr;
            grid-template-rows: 1fr 1fr 1fr;
            background-color: red;
        }

Upvotes: -2

michael
michael

Reputation: 139

I added the border color as a background-color to the grid and added a background color to all grid-items.

.grid {
  width: 1000px;
  display: grid;
  background: #D7D7D7;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: 200px;
  grid-gap: 1px;
}

.grid-item {
  background: white;
}
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>

<body>
  <div class="grid">
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
    <div class="grid-item"></div>
  </div>
</body>

</html>

This works for me.

Upvotes: 11

Jan F&#228;ssler
Jan F&#228;ssler

Reputation: 726

Instead to use the solution above I recommend to use border with pseudo-classes because if you have an irregular amount of "table cells" you will end up with an ugly color filled cell at the end of the "table".

enter image description here

If you want to use borders between the "table cells" and you have not always the same amount of cells you can do something like this (this example would also work with flexbox):

.wrapper {
  display: grid;
  grid-template-columns: repeat(2, auto);
  /* with flexbox:
  display: flex;
  flex-wrap: wrap;
  */
}

/* Add border bottom to all items */
.item {
  padding: 10px;
  border-bottom: 1px solid black;
  /* with flexbox:
  width: calc(50% - 21px);
  */
}

/* Remove border bottom from last item & from second last if its odd */
.item:last-child, .item:nth-last-child(2):nth-child(odd) {
  border-bottom: none;
}

/* Add right border to every second item */
.item:nth-child(odd) {
  border-right: 1px solid black;
}
<div class="wrapper">
  <div class="item">BOX 1</div>
  <div class="item">BOX 2</div>
  <div class="item">BOX 3</div>
  <div class="item">BOX 4</div>
  <div class="item">BOX 5</div>
</div>

Upvotes: 19

eriklharper
eriklharper

Reputation: 2978

Sadly, there is currently no way in the CSS Grid spec to style grid-gap. I came up with a solution that works well though that involves just html and css: show border grid lines only between elements

Upvotes: 25

BoltClock
BoltClock

Reputation: 723638

For instance: if one has a 5x5 grid of squares, is the only way to get colored grid lines to fill the grid with 25 elements and apply borders to those same elements?

You could do that, but grid borders do not collapse the same way that table borders can with the border-collapse property, and unlike grid gaps they'll be applied to the perimeter of your grid along with the inner borders, which may not be desired. Plus, if you have a grid-gap declaration, the gaps will separate your grid item borders much like border-collapse: separate does with table borders.

grid-gap is the idiomatic approach for spacing grid items, but it's not ideal since grid gaps are just that: empty space, not physical boxes. To that end, the only way to color these gaps is to apply a background color to the grid container.

Upvotes: 10

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