Fixing Min-height and footer at the bottom

css/style.v2.css

@@ -1,11 +1,13 @@
 body {
   font-family: 'IBM Plex Sans', sans-serif;
   margin: 0px;
+  height: 100%;
 }
 
 .center {
   max-width: 1100px;
   margin: 30px auto 0 auto;
+  min-height: 80vh; /* will cover the 100% of viewport */
 }
 
 .center2 {

css/style.verify.css

@@ -19,8 +19,8 @@ h4 {
   margin: 20px 0px 10px 0px;
 }
 
-
 .center {
+  min-height: 80vh; /* will cover the 100% of viewport */
   max-width: 1100px;
   margin: 30px auto 0 auto;
 }