Merge pull request finos#748 from Shreyhac/fix-hover-efect

fix: fixed hover effect

Author: JamieSlome

website/src/css/custom.css

@@ -1,6 +1,7 @@
 .header-github-link:hover,
 .header-star-link:hover,
 .header-fork-link:hover,
+.header-slack-link:hover,
 .header-read-doc-link:hover {
   opacity: 0.6;
 }