progress bar, docs fixes

pages/_docs/buttons.md

@@ -79,7 +79,7 @@ In need of a button, but not the hefty background colors they bring? Replace the
 {% endfor %}
 {% endexample %}
 
-## Button with star
+### Button with star
 
 {% example html %}
 {% for button in site.button_variants %}
@@ -123,6 +123,8 @@ Basic buttons are traditional buttons with borders and background with an extra
 
 ### Social buttons
 
+A button can be formatted to link to a social website
+
 {% example html wrapper=btn-list %} 
 {% for button in site.socials %}
 {% include ui/button.html color=button.name icon=button.name text=button.title provider="brand" %}