fix docs home page on mobile renders poorly

Author: Arhell

static/css/gridpage.css

@@ -23,7 +23,6 @@
     min-height: 152px;
 }
 
-
 .gridPage p {
     color: rgb(26,26,26);
     margin-left: 0 !important;
@@ -289,6 +288,15 @@ section.bullets .content {
     }
 }
 
+@media screen and (max-width: 768px){
+  .launch-card {
+    width: 100%;
+    margin-bottom: 30px;
+    padding: 0;
+    min-height: auto;
+  }
+}
+
 @media screen and (max-width: 640px){
     .case-study {
         width: 100%;