Fork-Awesome/scss/_core.scss

/* BOOTSTRAP SPECIFIC CLASSES
 * -------------------------- */

/* Bootstrap 2.0 sprites.less reset */
[class^="icon-"],
[class*=" icon-"] {
  display: inline;
  width: auto;
  height: auto;
  line-height: normal;
  vertical-align: baseline;
  background-image: none;
  background-position: 0% 0%;
  background-repeat: repeat;
  margin-top: 0;
}

/* more sprites.less reset */
.icon-white,
.nav-pills > .active > a > [class^="icon-"],
.nav-pills > .active > a > [class*=" icon-"],
.nav-list > .active > a > [class^="icon-"],
.nav-list > .active > a > [class*=" icon-"],
.navbar-inverse .nav > .active > a > [class^="icon-"],
.navbar-inverse .nav > .active > a > [class*=" icon-"],
.dropdown-menu > li > a:hover > [class^="icon-"],
.dropdown-menu > li > a:hover > [class*=" icon-"],
.dropdown-menu > .active > a > [class^="icon-"],
.dropdown-menu > .active > a > [class*=" icon-"],
.dropdown-submenu:hover > a > [class^="icon-"],
.dropdown-submenu:hover > a > [class*=" icon-"] {
  background-image: none;
}

/* keeps Bootstrap styles with and without icons the same */
.btn, .nav {
  [class^="icon-"],
  [class*=" icon-"] {
    //display: inline
    &.icon-large {
      line-height: 0.9em;
    }
    &.icon-spin {
      display: inline-block;
    }
  }
}

.nav-tabs, .nav-pills {
  [class^="icon-"],
  [class*=" icon-"] {
    &, &.icon-large {
      line-height: 0.9em;
    }
  }
}

.btn {
  [class^="icon-"],
  [class*=" icon-"] {
    &.pull-left, &.pull-right {
      &.icon-2x {
        margin-top: 0.18em;
      }
    }
    &.icon-spin.icon-large {
      line-height: 0.8em;
    }
  }
}

.btn.btn-small {
  [class^="icon-"],
  [class*=" icon-"] {
    &.pull-left, &.pull-right {
      &.icon-2x {
        margin-top: 0.25em;
      }
    }
  }
}

.btn.btn-large {
  [class^="icon-"],
  [class*=" icon-"] {
    margin-top: 0;
    &.pull-left, &.pull-right {
      &.icon-2x {
        margin-top: 0.05em;
      }
    }
    &.pull-left.icon-2x {
      margin-right: 0.2em;
    }
    &.pull-right.icon-2x {
      margin-left: 0.2em;
    }
  }
}