html {
  font-size: 9px;
  overflow-y: scroll;
}
@media only screen and (min-width: 1401px) {
  html {
    font-size: 10px;
  }
}
.plan {
  display: table;
  width: 100%;
  background: blue;
}
.plan-left {
  float: left;
  width: 50%;
  text-align: center;
}
.plan-right {
  float: right;
  width: 50%;
  text-align: center;
}
.plan-btn {
  display: block;
  font-size: 1.2rem;
  background: #f2f2f2;
  padding: 0.5rem 0;
  margin: 0.2rem;
  text-align: center;
}