Text Links: Different style (underline) for "Information" page

[PTD]

Dear Laytheme team,

Thank you for the wonderful theme!

While I'm quite happy with the underlined link in the carousel to indicate a clickable link, see here:

I was wondering if it was possible to have the "Information" page show my links with a white 2px underline on mouseover (e.g. when hovering over email address, LinkedIn, etc)?

https://phanthaodang.com/info/

Unsuccessfully, I've tried using this code in Custom CSS & HTML > Custom CSS for Desktop Version:
.slug-info .a:hover {
border-bottom-width: 2px;
color: white;
}

Many thanks in advance!

[arminunruh]

you need to use

border-bottom-color: white;

in that link i explain this exact example:

http://laytheme.com/documentation.html#custom-css-styling