.spacer {
  width: 100%;
}
.spacer .none {
  height: 0;
}
.spacer .small {
  height: 30px;
}
.spacer .medium {
  height: 40px;
}
.spacer .large {
  height: 50px;
}
.spacer .xlarge {
  height: 70px;
}
.spacer .xxlarge {
  height: 100px;
}
@media only screen and (max-width: 767px) {
  .spacer .spacer-desktop,
  .spacer .spacer-tablet {
    display: none;
  }
  .spacer .spacer-mobile {
    display: block;
  }
}
@media only screen and (min-width: 768px) and (max-width: 991px) {
  .spacer .spacer-mobile,
  .spacer .spacer-desktop {
    display: none;
  }
  .spacer .spacer-tablet {
    display: block;
  }
}
@media only screen and (min-width: 992px) {
  .spacer .spacer-mobile,
  .spacer .spacer-tablet {
    display: none;
  }
  .spacer .spacer-desktop {
    display: block;
  }
}