Fix heading scroll triggers

Requires docsify PR #1384 (docsifyjs/docsify#1384)

Author: jhildenbiddle

src/scss/app/_content.scss

@@ -132,6 +132,10 @@
             margin-top: 0;
         }
 
+        a[data-id] {
+            display: inline-block;
+        }
+
         code {
             font-size: 0.875em;
         }