1<div class="mt-8 ...">mt-8</div>
2<div class="mr-8 ...">mr-8</div>
3<div class="mb-8 ...">mb-8</div>
4<div class="ml-8 ...">ml-8</div>
1<div class="mt-5...">Hello wolrd !</div>
2
3<!--
4mt -> margin-top
5ml -> margin-left
6mr -> margin-right
7mb -> margin-bottom
8-->
1<div class="w-32 h-16 bg-fuchsia-300 ..."></div>
2<div class="-mt-8 bg-fuchsia-500 ...">-mt-8</div>