#edit-relations .form-item-parent {
    display: flex;
    flex-wrap: wrap;
}
#edit-relations .form-item-parent select {
    height: 400px
}
#edit-relations .form-item-parent .selected-options-label {
    padding: 0 20px;
    margin-bottom: 20px;
}
#edit-relations .form-item-parent .selected-options {
    height: auto;
    max-height: 400px;
    padding: 0 50px 0 20px;
    overflow-y: auto;
}
#edit-relations .form-item-parent select {
    margin-left: 20px;
}
@media only screen and (max-width: 600px) {
    #edit-relations .form-item-parent select {
        height: 250px
    }
    #edit-relations .form-item-parent .selected-options {
       margin: 15px 0;
    }
}