Source: dist/css/acc_uc.css, line 11306
8.2.1.3 Color: White with Alphas
Border white has attached alpha modifiers to allow for greater flexablity
Example s
br_white
border white with alpha of 100%
br_white border
br_white-0
border white with alpha of 2%
br_white-0 border
br_white-1
border white with alpha of 90%
br_white-1 border
br_white-2
border white with alpha of 80%
br_white-2 border
br_white-3
border white with alpha of 70%
br_white-3 border
br_white-4
border white with alpha of 60%
br_white-4 border
br_white-5
border white with alpha of 50%
br_white-5 border
br_white-6
border white with alpha of 40%
br_white-6 border
br_white-7
border white with alpha of 30%
br_white-7 border
br_white-8
border white with alpha of 20%
br_white-8 border
br_white-9
border white with alpha of 10%
br_white-9 border
<div class="[modifier class] p_3 br_solid br_5 bg_primary-1 c_white">[modifier class] border</div>