update class

public/home/index.html

@@ -34,7 +34,7 @@
 		
 
 		<div class="row">
-			<div class="col">
+			<div class="col-md">
 				<li>
 					A real world digital 3D platform (Digital Twin) of Stuttgart for citizens and government to build, play,
 					explore and engage in city development process.
@@ -47,7 +47,7 @@
 					there importance in the city development process.
 				</li>
 			</div>
-			<div class="col">
+			<div class="col-md">
 				<img src="bp1.jpg">
 
 			</div>