Make landing columns collapse to one on tiny screens

Author: meldra

themes/CodeMeta-Pyramids/layouts/_default/landing.html

@@ -9,11 +9,11 @@
     <div class="section section-basic">
       <div class="container">
 		<div class="row">
-		  <div id="landing-left" class="col-8 container ">
+		  <div class="landing-left col-md-8 container ">
 		    {{ partial "landing_left" . }}
 		  </div>
 
-		  <div id="landing-right" class="col-4 container">
+		  <div class="landing-right col-md-4 container">
 		    {{ partial "landing_right" . }}
 		  </div>