feat(district): smooth scrolling

district/templates/district/base.html

@@ -25,6 +25,11 @@
   {% include "maps_utils/includes/styles.html" %}
 
   <style type="text/css">
+    /* All anchor scrolling will be butter smooth. */
+    html {
+      scroll-behavior: smooth !important;
+    }
+
     .inline-block {
       display: inline-block;
     }