framework/less/lib/Alert.less

.Alert {
  padding: 12px 16px;
  border-radius: @border-radius;
  line-height: 1.5;

  .Alert--color(@alert-color, @alert-bg);
}
.Alert--error {
  .Alert--color(@alert-error-color, @alert-error-bg);
}
.Alert--success {
  .Alert--color(@alert-success-color, @alert-success-bg);

  a, a:hover {
    text-decoration: underline;
  }
}
.Alert--color(@color; @background) {
  background: @background;

  &,
  a,
  a:hover,
  .Button,
  .Button:hover,
  .Button:active,
  .Button.active,
  .Button:focus,
  .Button.focus {
    color: @color;
  }
}
.Alert-controls {
  list-style-type: none;
  padding: 0;
  margin: 0 -8px 0 8px;
  display: inline-block;

  > li {
    display: inline-block;
    margin: 0 5px;

    > a, > .Button {
      text-transform: uppercase;
      font-size: 12px;
      font-weight: bold;

      &.disabled {
        cursor: default;
        text-decoration: none;
        opacity: 0.5;
      }
      &:hover {
        text-decoration: underline;
      }
    }

    > .Button {
      margin: -10px;
      vertical-align: 0;
    }
  }
}