twbs--bootstrap/less/counters.less

//
// Labels and badges
// --------------------------------------------------


// Base classes
.counter {
  display: inline-block;
  min-width: 10px;
  padding: 3px 7px;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  line-height: 1;
  vertical-align: middle;
  white-space: nowrap;
  text-align: center;
  background-color: @grayLight;
  border-radius: 10px;

  // Empty labels/badges collapse
  &:empty {
    display: none;
  }
}

// Hover state, but only for links
a.counter {
  &:hover {
    color: #fff;
    text-decoration: none;
    cursor: pointer;
  }
}

// Quick fix for labels/badges in buttons
.btn {
  .counter {
    position: relative;
    top: -1px;
  }
}
.btn-mini {
  .counter {
    top: 0;
  }
}

// Account for counters in navs
.nav-list > .active > a > .counter,
.nav-pills > .active > a > .counter {
  color: @link-color;
  background-color: #fff;
}
.nav-pills > li > a > .counter {
  margin-left: 3px;
}