.options {
    padding: 20px;
    background-color: rgba(191, 191, 191, 0.15);
    margin-top: 20px;
}

.caption {
    font-size: 18px;
    font-weight: 500;
}

.option {
    margin-top: 10px;
}

.option > span {
    display: inline-block;
    width: 100px;
}

.option > .dx-selectbox {
    width: 100%;
    max-width: 350px;
    display: inline-block;
    vertical-align: middle;
}