/*

 BORDERS
 Docs: http://tachyons.io/docs/themes/borders/

 Base:
   b = border

 Modifiers:
   a = all
   t = top
   r = right
   b = bottom
   l = left
   n = none

Media Query Extensions:
  -ns = not-small
  -m  = medium
  -l  = large

*/

.ba { border-style: solid; border-width: 1px; }
.bt { border-top-style: solid; border-top-width: 1px; }
.br { border-right-style: solid; border-right-width: 1px; }
.bb { border-bottom-style: solid; border-bottom-width: 1px; }
.bl { border-left-style: solid; border-left-width: 1px; }
.bn { border-style: none; border-width: 0; }

@media (–breakpoint-not-small) {

.ba-ns { border-style: solid; border-width: 1px; }
.bt-ns { border-top-style: solid; border-top-width: 1px; }
.br-ns { border-right-style: solid; border-right-width: 1px; }
.bb-ns { border-bottom-style: solid; border-bottom-width: 1px; }
.bl-ns { border-left-style: solid; border-left-width: 1px; }
.bn-ns { border-style: none; border-width: 0; }

}

@media (–breakpoint-medium) {

.ba-m { border-style: solid; border-width: 1px; }
.bt-m { border-top-style: solid; border-top-width: 1px; }
.br-m { border-right-style: solid; border-right-width: 1px; }
.bb-m { border-bottom-style: solid; border-bottom-width: 1px; }
.bl-m { border-left-style: solid; border-left-width: 1px; }
.bn-m { border-style: none; border-width: 0; }

}

@media (–breakpoint-large) {

.ba-l { border-style: solid; border-width: 1px; }
.bt-l { border-top-style: solid; border-top-width: 1px; }
.br-l { border-right-style: solid; border-right-width: 1px; }
.bb-l { border-bottom-style: solid; border-bottom-width: 1px; }
.bl-l { border-left-style: solid; border-left-width: 1px; }
.bn-l { border-style: none; border-width: 0; }

}