add styles for blockquotes

static/post.css

@@ -54,3 +54,22 @@ th,
 td:nth-child(1) {
 	word-break: keep-all;
 }
+
+blockquote {
+	margin-left: 1em;
+	padding-left: 1.5em;
+	border-left: 0.5em solid;
+	border-color: var(--blue);
+	& > blockquote {
+		border-color: var(--mauve);
+		& > blockquote {
+			border-color: var(--pink);
+			& > blockquote {
+				border-color: var(--rosewater);
+				& > blockquote {
+					border-color: var(--text);
+				}
+			}
+		}
+	}
+}

static/style.css

@@ -1,4 +1,5 @@
-/* colors */
+/* colors from catppuccin https://github.com/catppuccin/catppuccin
+   licensed under the MIT license, available in the source tree    */
 :root {
 	--base: #1e1e2e;
 	--text: #cdd6f4;