// Border helpers
$border-style: 1px solid rgba(0, 0, 0, 0.12);

.at-border,
.at-b {
  border: $border-style;
}

.at-border-top,
.at-bt {
  border-top: $border-style;
}

.at-border-right,
.at-br {
  border-right: $border-style;
}

.at-border-bottom,
.at-bb {
  border-bottom: $border-style;
}

.at-border-left,
.at-bl {
  border-left: $border-style;
}

.at-border-horizontal,
.at-bh {
  border-left: $border-style;
  border-right: $border-style;
}

.at-border-vertical,
.at-bv {
  border-top: $border-style;
  border-bottom: $border-style;
}

// Border-radius helpers
@for $i from 1 through 16 {
  .at-border-radius-#{$i},
  .at-brad-#{$i} {
    border-radius: #{$i + 'px'}
  }
}