Refactor CSS to BEM

Update dependencies
Improve focus and hover states

css/page.css

@@ -0,0 +1,57 @@
+.page {
+  display: grid;
+  grid-auto-flow: dense;
+  grid-gap: var(--space-sm);
+  grid-template-columns: 1fr;
+  max-width: 1200px;
+  margin: 0 var(--space-sm);
+  padding: 0;
+}
+
+.page__logo {
+  display: flex;
+  font-size: 0;
+  justify-content: center;
+}
+
+.page__banner {
+  display: none;
+  position: relative;
+}
+
+@media (--viewport-lg) {
+  .page {
+    grid-template-columns: 224px 1fr;
+    grid-template-rows: 60px 134px;
+    grid-gap: var(--space-md);
+    padding: 0 var(--space-md);
+  }
+
+  .page__logo {
+    grid-row: span 2;
+  }
+
+  .page__banner {
+    display: block;
+    grid-column-start: 2;
+    grid-row-start: 1;
+  }
+
+  .page__article {
+    grid-column-start: 2;
+    grid-row: span 2;
+  }
+
+  .page__metadata {
+    grid-column-start: 1;
+    grid-row: span 2;
+  }
+
+  .page__metadata.is-first {
+    grid-row: span 1;
+  }
+
+  .page__footer {
+    grid-column: 1 / -1;
+  }
+}