.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 {
    -webkit-flex: 1 1 0px;
    -ms-flex: 1 1 0px;
    flex: 1 1 0px;
}

.button-group-option .button {
    font-size: 1.125rem;
}

.button-group-option:before {
    content: attr(data-grouptype);
    z-index: 1;
    color: #8a8a8a;
    display: inline-block;
    font-size: 1rem;
    padding: 0.25em;
    border-radius: 5000px;
    background: #fefefe;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

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