Make feature grid items bigger

Author: satya164

src/css/custom.css

@@ -1112,7 +1112,7 @@ code {
   list-style: none;
   padding-left: 0;
   display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
   gap: var(--ifm-spacing-horizontal);
 
   li + li {