Add spacing between vertically stacked columns in

Unfortunately, there doesn't seem to be a good way to manage vertical spacing between columns that transition from a horizontal stack to a vertical stack at certain breakpoints. There does seem to be a solution when a form is involved, but that's not the situation here. I've tried this solution, but it doesn't work when there are multiple columns that wrap in a row.

To illustrate my scenario, here's the structure of my HTML:

<body>

  <div class="container">

    <div class="row">

      <div class="col-md-4">
        col 1
      </div>

      <div class="col-md-4">
        col 2
      </div>

      <div class="col-md-4">
        col 3
      </div>

      <div class="col-md-4">
        col 4
      </div>

      <div class="col-md-4">
        col 5
      </div>

      <div class="col-md-4">
        col 6
      </div>

    </div>

  </div>

</body>

https://jsfiddle.net/b74a3kbs/6/

At medium-device size (md) and above, I'd like there there to be spacing between the two "rows" of columns, but no spacing above the "first row" of 3 columns and none below the "second row" of 3 columns. When the columns stack vertically at below the medium-device size (md), I'd like there to be spacing between each of the columns, but none above the first child and none below the last child.

Ideally, the solution would work regardless of how many columns (e.g., 3, 5, 6, 12) are contained within the row.

标签： html5 css3 bootstrap-4 twitter-bootstrap-4 spacing

4条回答

等我变得足够好

2楼-- · 2019-01-08 01:21

see snippet below or jsfiddle

it will work regardless how many cols you have or rows

first ( on big screen ) all rows have margin-bottom except the last one then on medium screen , the rows won't have any margin and the cols will all have margin-bottom except the last col from the last row

.row {
	margin-bottom:30px;
}
.row:last-child{
	margin-bottom:0;
}
.row [class*="col-"] { 
   border:1px solid red;
}

@media only screen and (max-width: 768px) {
	.row { 
	margin:0
	}
	.row [class*="col-"]  {
		margin-bottom:30px;
	}
	.row:last-child [class*="col-"]:last-child{
		margin-bottom:0;
	}
}

<body>

<h1 class="display-3">
hey
</h1>

  <div class="container">

    <div class="row">

      <div class="col-md-4 col-lg-4">
        col 1
      </div>

      <div class="col-md-4 col-lg-4">
        col 2
      </div>

      <div class="col-md-4 col-lg-4">
        col 3
      </div>
</div>
<div class="row">
      <div class="col-md-4 col-lg-4">
        col 4
      </div>

      <div class="col-md-4 col-lg-4">
        col 5
      </div>

      <div class="col-md-4 col-lg-4">
        col 6
      </div>

    </div>

  </div>

</body>

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何必那么认真

3楼-- · 2019-01-08 01:31

Here's how I ended up making this work:

.row [class*="col-"] { 
   @extend .mb-4;

   &:last-child {
     @extend .mb-0;
   }

   @extend .mb-md-5;

   &:nth-last-of-type(1),
   &:nth-last-of-type(2),
   &:nth-last-of-type(3) {
     @extend .mb-md-0;
   }
}

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虎瘦雄心在

4楼-- · 2019-01-08 01:41

Use the new Bootstrap 4 spacing utilities. For example mb-3 adds margin-bottom of 1rem.
No extra CSS is needed.

http://www.codeply.com/go/ECnbgvs9Ez

<div class="container">
    <div class="row">
      <div class="col-md-4 mb-3">
        col 1
      </div>
      <div class="col-md-4 mb-3">
        col 2
      </div>
      <div class="col-md-4 mb-3">
        col 3
      </div>
      <div class="col-md-4 mb-3">
        col 4
      </div>
      <div class="col-md-4 mb-3">
        col 5
      </div>
      <div class="col-md-4">
        col 6
      </div>
    </div>
</div>

The spacing utils are responsive so you can apply them for specific breakpoints (ie; mb-0 mb-md-3)

If you want a CSS solution, use the solution explained in the related 3.x question (it's not dependent on using a form): https://jsfiddle.net/zdLy6jb1/2/

/* css only solution */
[class*="col-"]:not(:last-child){
  margin-bottom: 15px;
}

Note: the col-lg-4 is extraneous in your markup since col-lg-4 col-md-4,
is the same as col-md-4.

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混吃等死

5楼-- · 2019-01-08 01:44

I ended up with this solution:

@include media-breakpoint-down(xs) {
  [class*="col-sm"]:not(:last-child){
    margin-bottom: 15px;
  }
}

@include media-breakpoint-down(sm) {
  [class*="col-md"]:not(:last-child){
    margin-bottom: 15px;
  }
}

@include media-breakpoint-down(md) {
  [class*="col-lg"]:not(:last-child){
    margin-bottom: 15px;
  }
}

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