Utility-klasser
Margin utilities
.mt-0 -> margin-top 0
.mr-0 -> margin-right 0
.mb-0 -> margin-bottom 0
.ml-0 -> margin-left 0
.m-0 -> no margin
Padding utilities
.pt-0 -> padding-top 0
.pr-0 -> padding-right 0
.pb-0 -> padding-bottom 0
.pl-0 -> padding-left 0
.p-0 -> no padding