Source

Sizing a ni

Kan width leh height utilities hmangin awlsam takin element pakhat chu a zau emaw, a sang ang emaw (a nu leh pa nena khaikhin chuan) siam rawh.

Width leh height utilities te hi $sizesSass map atang hian _variables.scss. 25%, 50%, 75%, leh 100%default-a support a awm bawk . Hetah hian utility hrang hrang i siam chhuah a ngai angin chu value te chu siam danglam rawh.

A zau zawng 25% .
A zau zawng 50% .
A zau zawng 75% .
A zau zawng 100% 
<div class="w-25 p-3" style="background-color: #eee;">Width 25%</div>
<div class="w-50 p-3" style="background-color: #eee;">Width 50%</div>
<div class="w-75 p-3" style="background-color: #eee;">Width 75%</div>
<div class="w-100 p-3" style="background-color: #eee;">Width 100%</div>
A san zawng 25% .
A san zawng 50% .
A san zawng 75%
A san zawng 100% 
<div style="height: 100px; background-color: rgba(255,0,0,0.1);">
  <div class="h-25 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 25%</div>
  <div class="h-50 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 50%</div>
  <div class="h-75 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 75%</div>
  <div class="h-100 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 100%</div>
</div>

max-width: 100%;A tul angin leh max-height: 100%;utilities te pawh i hmang thei bawk .

Max-width = 100% [1000%x100] a ni. 
<img class="mw-100" src="..." alt="Max-width 100%">
Max-a san zawng 100% 
<div style="height: 100px; background-color: rgba(255,0,0,0.1);">
  <div class="mh-100" style="width: 100px; height: 200px; background-color: rgba(0,0,255,0.1);">Max-height 100%</div>
</div>