Update custom-style.css

public/css/custom-style.css

@@ -2,6 +2,9 @@
     --theme-co: #495867;
     --light-blue: #BDD5EA;
 }
+html, body {
+    height: 100%;
+}
 .box {
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
     -webkit-box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
@@ -354,4 +357,4 @@ ul.timeline.notification-list>li>.timeline-item>.timeline-header>span.comment-hl
  @media screen and (max-width: 992px){
     .navbar-custom-menu>.navbar-nav>li>.dropdown-menu { right: 3%; }
  }
- /*Responsive CSS end*/
\ No newline at end of file
+ /*Responsive CSS end*/