How can I reduce this amount of space in css

How can I reduce space between about and drop downbox. I tried but ckouldnt.

Here is Css File :https://glory-textile.web.app/css/theme.css Here is website link : https://glory-textile.web.app

Please help me , Suggestion and any kind of help will be apprecieted

Answer

Remove top: 99% from

nav .navigation-main .floating-menu > ul > li .navbar-dropdown