.js-split-select-inactive {
    float: left;
    width: 40%;
    height: 11em;
}

.split-select-controls {
    float: left;
    width: 5%;
}

.split-select-controls button {
    width: 70%;
    margin: 15%;
    padding: 0;
}

.js-split-select-active {
    float: left;
    width: 40%;
    height: 11em;
}