How to style elements inside frappe dialog

Does any one knows any code for styling elements inside frappe.ui.Dialog, I have a table that I would like to add some cosmetics and onhover events.

Looked up https://github.com/frappe/frappe/blob/c1e5e5dabef21969436ec89f931dd5a3850d6135/frappe/public/js/frappe/views/communication.js
for a cleaner way of doing it