Enable dark theme

sass/style.scss

@@ -191,7 +191,7 @@ main {
 
 a {
 	text-decoration: none;
-	color: #E1140A;
+	color: #e1140a;
 
 	&:hover { text-decoration: underline }
 }
@@ -213,3 +213,36 @@ a {
 
 	header, aside { margin-bottom: 3rem }
 }
+
+@media (prefers-color-scheme: dark) {
+	body {
+		background-color: #131516;
+		color: #cdcdcd;
+	}
+
+	header {
+		background-color: inherit;
+		color: inherit;
+	}
+
+	aside ul li a {
+		color: inherit;
+
+		&:hover {
+			color: #131516;
+			background-color: #cdcdcd;
+		}
+	}
+
+	main .info {
+		border-color: #35393b;
+	}
+
+	main img {
+		border-color: #43494c;
+	}
+
+	a {
+		color: #ff6e67;
+	}
+}