Did you notice that you can download Conditional Access Templates. The Templates are documented in the Conditional Access Doumentation below
Conditional Access templates (Preview)
In Conditional Access Management select "New policy from template"
Now you have a diffrent range of Policys and can download the JSON
Back in Conditional Access select "Upload policy file"
Select your JSON File and choose between "Off", "On", "Report only"
After that your Policy is created
And you can view the details and adopt to your environement. Make sure you don't lock yourself out!
Also Check out the CA Export to HTML