You can customize the map popup for each Object.
Click on the marker icon next to the Object in the Layers panel.
To customize the map popup template click on the cog next to 'Marker popup':
And then check 'Custom (manual)'.
Now you can choose background and font parameters and set a unique style for each line of object's information.
It is possible to:
combine static text and data fields
choose font parameters (color, size, weight) separately for static text and data files
put more than one data field in one line
show units for distance field
hide city/country/zip for the address field
You can also choose which buttons to show on the popup for the selected object: