Extent about grid settings to md columns

whats_open/templates/about.html

@@ -11,10 +11,10 @@
 <div class="row" id="about-example">
     <div class="col-md-10 col-md-offset-1" id="about-column">
         <div class="row">
-            <div class="col-sm-6 col-md-4 col-lg-4 col-lg-offset-1 grid-box">
+            <div class="col-sm-6 col-md-4 col-md-offset-1 grid-box">
                 <div class="restaurant opened">Open</div>
             </div>
-            <div class="col-sm-6 col-md-4 col-lg-4 col-lg-offset-2 grid-box">
+            <div class="col-sm-6 col-md-4 col-md-offset-2 grid-box">
                 <div class="restaurant closed">Closed</div>
             </div>
         </div>