Bootstrap/site/docs/4.2/assets/scss/_ads.scss

// stylelint-disable declaration-no-important, selector-max-id

//
// Carbon ads
//

#carbonads {
  position: static;
  display: block;
  max-width: 400px;
  padding: 15px 15px 15px 160px;
  margin: 2rem 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.4;
  text-align: left;
  background-color: rgba(0, 0, 0, .05);

  a {
    color: #333;
    text-decoration: none;
  }

  @include media-breakpoint-up(sm) {
    max-width: 330px;
    @include border-radius(4px);
  }
}

.carbon-img {
  float: left;
  margin-left: -145px;
}

.carbon-poweredby {
  display: block;
  color: #777 !important;
}