Fixed missing style specification for home paginator.

Howdy!

I was checking out the brand new version of Hikari a while ago and I seriously gotta say that I love all of the changes! However I found out that the new SCSS files are missing specification for style of main homepage paginator which causes the buttons handling page redirection to look pretty ugly. So here I am with hotfix... :)
No need to use nesting here; plain CSS works since there's only one parent:

    a:hover {