Bootstrap class="mb-3"

mt- = margin-top
mb- = margin-bottom
ml- = margin-left
mr- = margin-right
my- = it sets margin-left and margin-right at the same time on y axes
mX- = it sets margin-bottom and margin-top at the same time on X axes

Source: stackoverflow.com

Similar codes

0 vote244 views1 answer
How to make bootstrap cards same height css trics
CSS Bootstrap
25 votes239 views6 answers
How to install bootstrap in angular
Javascript Bootstrap
2 votes230 views1 answer
How to add bootstrap by downloading in react js
Javascript Bootstrap
2 votes222 views1 answer
Uncaught TypeError: Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript electron
Javascript Bootstrap
1 vote251 views3 answers
Bootstrap table text vertical align center
CSS Bootstrap
0 vote233 views1 answer
Bootstrap modal overflow
CSS Bootstrap
13 votes227 views2 answers
Bootstrap Aligning images
CSS Bootstrap
0 vote226 views1 answer
Bootstrap format json
Javascript Bootstrap
42 votes242 views5 answers
Npm bootstrap
CSS Bootstrap
19 votes162 views3 answers
Bootstrap media queries
CSS Bootstrap