Add dark theme

static/style.css

@@ -343,3 +343,48 @@ p.openring {
 		text-align: center;
 	}
 }
+
+@media (prefers-color-scheme: dark) {
+	body {
+		background-color: #111111;
+		color: #DDDDDD;
+	}
+
+	footer {
+		border-top: solid 2px #444444;
+		background-color: #181818;
+	}
+
+	div.article:first-of-type {
+		border-right: solid 2px #444444;
+	}
+
+	div.article:last-of-type {
+		border-left: solid 2px #444444;
+	}
+
+	div.post-head span.subtext, div.article p.extra, p.openring {
+		color: #BBBBBB;
+	}
+
+	nav a {
+		color: #999999;
+		display: block;
+	}
+
+	nav a:hover {
+		color: #BBBBBB;
+	}
+
+	a {
+		color: #4893fd;
+	}
+
+	header img {
+		border: solid 2px #FFFFFF;
+	}
+
+	audio {
+		border: solid 1px #AAAAAA;
+	}
+}