Bootstrap 5 is quite a bit change in comparison with Boostrap 4. Here some snippets to do padding.

// Bootstrap 4
.pl-4 // padding-left
// Bootstrap 5
.ps-4 // padding-left

// Bootstrap 4
.pr-4 // padding-right
// Bootstrap 4
.pe-4 // padding-right

// Bootstrap 4
.ml-4 // margin-left
// Bootstrap 5
.ms-4 // margin-left

// Bootstrap 4
.mr-4 // margin-right
// Bootstrap 4
.me-4 // margin-right

Notation

Spacing utilities that apply to all breakpoints, from xs to xxl, have no breakpoint abbreviation in them. This is because those classes are applied from min-width: 0 and up, and thus are not bound by a media query. The remaining breakpoints, however, do include a breakpoint abbreviation.

The classes are named using the format {property}{sides}-{size} for xs and {property}{sides}-{breakpoint}-{size} for sm, md, lg, xl, and xxl.

Where property is one of:

  • m - for classes that set margin
  • p - for classes that set padding

Where sides is one of:

  • t - for classes that set margin-top or padding-top
  • b - for classes that set margin-bottom or padding-bottom
  • s - (start) for classes that set margin-left or padding-left in LTR, margin-right or padding-right in RTL
  • e - (end) for classes that set margin-right or padding-right in LTR, margin-left or padding-left in RTL
  • x - for classes that set both *-left and *-right
  • y - for classes that set both *-top and *-bottom
  • blank - for classes that set a margin or padding on all 4 sides of the element

Where size is one of:

  • 0 - for classes that eliminate the margin or padding by setting it to 0
  • 1 - (by default) for classes that set the margin or padding to $spacer * .25
  • 2 - (by default) for classes that set the margin or padding to $spacer * .5
  • 3 - (by default) for classes that set the margin or padding to $spacer
  • 4 - (by default) for classes that set the margin or padding to $spacer * 1.5
  • 5 - (by default) for classes that set the margin or padding to $spacer * 3
  • auto - for classes that set the margin to auto

 

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