gistfile1.txt

<apex:page standardController="Course__c" lightningStylesheets="false">
   <br/>
   <b>Hello {!$User.FirstName}</b>
   <br/>
   <apex:tabPanel >
      <apex:tab label="Details">
          <apex:detail relatedList="false"/>
      </apex:tab>
      <apex:tab label="Related Lists">
        <apex:relatedList list="Course_Deliveries__r"/>
          <apex:relatedList list="CombinedAttachments"/>
      </apex:tab>
   </apex:tabPanel>
</apex:page>