card height change

style.css

@@ -3,13 +3,11 @@
     padding:0;
 
     }
-.cont{
-    min-height: 100vh;
-}
+
     .card{
     float:left;
     width:33.333%;
- height: 100%;
+ height:50vh
 }
     .cont:after{
         content: "";