Declaring CSS rules to apply only to a particular class

Question

I have the following CSS I need to apply to only a particular div (because of conflicts):

The div in question has the class name datepicker-days. Do I declare the be

Answer 1

.datepicker-days { /* Targets the div */ }

.datepicker-days table { /* targets all tables nested in the div */ }

.datepicker-days > table { /*targets only tables that are direct children on the div */ }