[css] reduce spacing between text elements on about pages (#1510)

app/assets/stylesheets/about.scss

@@ -64,7 +64,7 @@
   p, li {
     font: 16px/28px 'Montserrat', sans-serif;
     font-weight: 400;
-    margin-bottom: 26px;
+    margin-bottom: 12px;
 
     a {
       color: $color4;
@@ -352,7 +352,7 @@
       }
     }
   }
-  
+
   @media screen and (max-width: 625px) {
     .mascot {
       display: none;