Modify attribute table

Hi!

I need to modify the woocommerce table of attributes in product sheet, in order to make the th fit to content and not to have white space between th and td, I need a result like in this example:

Alcol: 40.7%
Formato: 0.7l
Temperatura di servizio: 6/8 °C

I tried diffent css modifies, but nothing seems to work..

could you help me please?

Thank you!