update link styling

Author: chdeskur

fern/assets/custom-styles.css

@@ -45,3 +45,12 @@
   backdrop-filter: blur(6px);
   border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
 }
+
+
+.fern-mdx-link svg {
+  display: none !important;
+}
+
+.fern-mdx-link {
+  font-weight: 500 !important;
+}