feat: adjusted the cards such that it's only one column for very small widths and the cards resize for smaller widths

Co-Authored-By: Tadios Temesgen <tt2022@ic.ac.uk>

src/lib/components/Navbar.svelte

@@ -24,6 +24,7 @@
         height: 4rem;
         top: 0;
         left: 0;
+        right: 0;
         background: linear-gradient(-77deg, #2e4653, #3a5b56);
         box-shadow: 0rem 0rem 0.5rem #182125;
         align-items: center;
@@ -33,6 +34,7 @@
         display: block;
         height: 100%;
     }
+
     .logo img {
         height: 100%;
     }