.plan {
  width: 40%;
  margin: 0 5%;
  float: left;
  box-shadow: 0 1px 4px rgba(0,0,0,.04), 0 0px 1px rgba(28,39,72,.15), 0 6px 34px rgba(0,0,0,.09);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
}

.plan h3 {
  font-weight: 300;
  text-align: center;
  margin: 0 0 10px 0;
  font-size: 26px;
}

.planFeatures {
  font-size: 0.8rem;
  list-style: none;
  opacity: 0.6;
  padding: 0;
}

.planFeatures li {
  padding: 6px 0;
}

.cost {
  font-weight: 200;
  font-size: 1.8rem;
  color: #3EB890;
  margin: 0 0 20px 0;
  display: block;
}

.cost sup {
  font-size: 11px;
  top: -11px;
  margin-left: 3px;
}

.plan .button {
  margin-top: 40px;
}

.cf:before, section:before,
.cf:after, section:after {
  content: " ";
  display: table;
}

.cf:after, section:after {
  clear: both;
}