Mobile Menu

Hey,

Query 1: If you notice the mobile menu version of the website, the three bars are uneven. Can you let me know what could be causing the same and make them look even?

Query2: Please refer to Slotbooking.in, the mobile menu version when you click on the menu has a smooth scroll down with proper container. Can you help me how can replicate same thing here on https://wordpress-429028-1544439.cloudwaysapps.com/

The page I need help with: [log in to see the link]