Fix video breakpoints (#36)

Author: mrubens

src/css/custom.css

@@ -44,9 +44,12 @@
 /* Video Grid Styles */
 .video-grid {
   display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
+  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
   gap: 2rem;
   margin: 2rem 0;
+  max-width: 1200px;
+  margin-left: auto;
+  margin-right: auto;
 }
 
 .video-container {