centered text for supporters

Author: hagenburger

source/stylesheets/style.css.scss

@@ -150,14 +150,16 @@
 .supporters--title {
   color: #888;
   font-size: 2rem;
-  margin: 3em auto 0;
+  margin: 5em auto 0;
   max-width: 900px;
+  text-align: center;
 }
 
 .supporters--sub-title {
   color: #888;
   margin: 0 auto 2rem;
   max-width: 900px;
+  text-align: center;
 }
 
 .supporters--list {
@@ -226,6 +228,7 @@
   color: #888;
   margin: 2rem auto;
   max-width: 900px;
+  text-align: center;
 }
 
 .supporters--add-link {