minor updates to unlistedBadge CSS

use pixels instead of rems for font-size
remove line-height
use non-fractional font-size value
add vertical padding

Author: OothecaPickle

src/renderer/components/watch-video-info/watch-video-info.scss

@@ -27,9 +27,9 @@
   border-radius: 5px;
   display: inline;
   padding-inline: 5px;
+  padding-block: 2px;
   white-space: nowrap;
-  font-size: 0.8rem;
-  line-height: 0.5rem;
+  font-size: 13px;
   font-weight: 500;
 }