[c42#1] Offerings Section - columns text aligned to left

In the offerings section with three columns, each having their text aligned to left by default, does not give an intuitive feeling to read in comparison to the scenario if they where aligned justified.

Before
<img width="1192" alt="before" src="https://cloud.githubusercontent.com/assets/6065869/9198029/bad13138-4056-11e5-91b2-b64d40f239de.png">

After
<img width="1191" alt="after" src="https://cloud.githubusercontent.com/assets/6065869/9198031/bda62d32-4056-11e5-8faf-b5694ef592e6.png">

Suggestion:  text-align: justify

source/stylesheets/style.css.scss

@@ -39,6 +39,7 @@
 .extract {
   margin: 1em auto;
   width: 90%;
+  text-align: justify;
 }
 
 .about {
@@ -91,4 +92,4 @@
     width: 50%;
     margin: 1em auto;
   }
-}
+}