when linking to an intra-document point, don't scroll too much

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 This file lists all non-trivial changes to Beautiful Jekyll. I often make small changes to documentation, to the demo site, or to the general look-and-feel. These and other minor changes will not be listed here.
 
+**2020-04-28** Fix issue: linking to a specific part of a page resulted in scrolling too far (#69)
+
 **2020-04-28** Add YAML option `nav-short` to have navbar permanently collapsed
 
 **2020-04-28** Add social network link: Calendly

assets/css/main.css

@@ -47,6 +47,14 @@ hr.small {
   border-radius: 3px;
 }
 
+/* fix in-page anchors to not be behind fixed header */
+:target:before { 
+  content: "";
+  display: block;
+  height: 50px; /* navbar height */
+  margin: -50px 0 0;
+}
+
 .main-content {
   padding-top: 80px;
 }