.button-group-option {
  position: relative;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  width: 100%;
  margin-bottom: 1rem;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: nowrap;
      -ms-flex-wrap: nowrap;
          flex-wrap: nowrap;
  -webkit-align-items: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}

.button-group-option::before, .button-group-option::after {
  display: table;
  content: ' ';
  -webkit-flex-basis: 0;
      -ms-flex-preferred-size: 0;
          flex-basis: 0;
  -webkit-order: 1;
      -ms-flex-order: 1;
          order: 1;
}

.button-group-option::after {
  clear: both;
}

.button-group-option .button {
  margin: 0;
  margin-right: 1px;
  margin-bottom: 1px;
  font-size: 0.9rem;
  -webkit-flex: 0 0 auto;
      -ms-flex: 0 0 auto;
          flex: 0 0 auto;
}

.button-group-option .button:last-child {
  margin-right: 0;
}

.button-group-option .button {

}

.button-group-option .button {
  font-size: 2.125rem;
}

.button-group-option .button + .button {
  margin-left: 0.35rem;
}