#blog-num-images-wrapper, #blog-image-style-wrapper {
    display: inline-block;
    flex: 1 1 calc(50% - 5px);
    min-width: 180px;
}

.custom-dropdown-group.hidden-setting#blog-num-images-wrapper, .custom-dropdown-group.hidden-setting#blog-image-style-wrapper {
    display: none;
}