.zero-margin-bottom {
  margin-bottom:0px;
}
.zero-padding-bottom {
  padding-bottom:0px;
}
.zero-margin-top {
  margin-top:0px;
}
.zero-padding-top {
  padding-top:0px;
}
.zero-margin-left {
  margin-left:0px;
}
.zero-padding-left {
  padding-left:0px;
}
.zero-margin-right {
  margin-right:0px;
}
.zero-padding-right {
  padding-right:0px;
}

.half-em-margin-bottom {
  margin-bottom:.5em;
}
.half-em-padding-bottom {
  padding-bottom:.5em;
}
.half-em-margin-top {
  margin-top:.5em;
}
.half-em-padding-top {
  padding-top:.5em;
}
.half-em-margin-left {
  margin-left:.5em;
}
.half-em-padding-left {
  padding-left:.5em;
}
.half-em-margin-right {
  margin-right:.5em;
}
.half-em-padding-right {
  padding-right:.5em;
}

.one-em-padding-top {
  padding-top:1em;
}
.two-em-padding-top {
  padding-top:2em;
}
.one-em-padding-bottom {
  padding-bottom:1em;
}
.two-em-padding-bottom {
  padding-bottom:2em;
}
.one-em-padding-right {
  padding-right:1em;
}
.two-em-padding-right {
  padding-right:2em;
}
.one-em-padding-left {
  padding-left:1em;
}
.two-em-padding-left {
  padding-left:2em;
}


.one-em-padding-all {
  padding:1em;
}
.two-em-padding-all {
  padding:2em;
}
.three-em-padding-all {
  padding:3em;
}


.one-em-margin-top {
  margin-top:1em;
}
.two-em-margin-top {
  margin-top:2em;
}
.one-em-margin-bottom {
  margin-bottom:1em;
}
.two-em-margin-bottom {
  margin-bottom:2em;
}
.one-em-margin-right {
  margin-right:1em;
}
.two-em-margin-right {
  margin-right:2em;
}
.one-em-margin-left {
  margin-left:1em;
}
.two-em-margin-left {
  margin-left:2em;
}

.three-em-margin-top {
  margin-top:3em;
}
.five-em-margin-top {
  margin-top:5em;
}
.four-em-margin-top {
  margin-top:4em;
}
.three-em-margin-bottom {
  margin-bottom:3em;
}
.three-em-margin-right {
  margin-right:3em;
}
.three-em-margin-left {
  margin-left:3em;
}

.one-em-margin-all {
  margin:1em;
}
.two-em-margin-all {
  margin:2em;
}
.three-em-margin-all {
  margin:3em;
}