[DnE] Manage the content and appearance

You can manage how the content can be posted on your site following Engine settings > Settings > Content.

Maximum number of pictures in the gallery: you can decide how many photos can be added in a posted restaurant.
Pending post: You can prevent inappropriate posts appear on your site by enabling this function. After that, a post has to receive your approval before being displayed in the front-end, which means you can absolutely keep your site stay away from unsuitable ones.
View counter: If you enable this option, users can see how many people have viewed their restaurants.
Maximum Number of Categories: In this section, you can set a maximum number of categories a restaurant can be assigned to.

You can use WordPress customizer to change some color option in your site.

Choose Appearance > Customizer and you can do the need work.