Source

inspectionem

Facile elementum quam latissimum aut tam altum (relatum ad parentem) cum utilitate nostra latitudine et altitudine efficiet.

Latitudo et altitudo utilitates generantur ex $sizestabula Sass in _variables.scss. Includes support for 25%, 50%, 75%et 100%per defaltam . Istos valores mitigare prout debes varias utilitates hic generare.

Latitudo 25%
Latitudo L%
Latitudo LXXV%
Width 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>
Altitudo XXV%
altitudo L%
Altitudo LXXV%
altitudo C% 
<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>

Uti etiam max-width: 100%;et max-height: 100%;utilitas prout opus est potes.

Max-width = 100% [1000%x100] 
<img class="mw-100" src="..." alt="Max-width 100%">
Max-altitudinis C% 
<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>