Added black theme (#101)

static/style.css

@@ -51,6 +51,21 @@
 	--shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
 }
 
+/* Black theme setting */
+.black {
+	--accent: #009a9a;
+	--green: #00a229;
+	--text: white;
+	--foreground: #0f0f0f;
+	--background: black;
+	--outside: black;
+	--post: black;
+	--panel-border: 2px solid #0f0f0f;
+	--highlighted: #0f0f0f;
+	--shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+}
+
+
 /* General */
 
 ::selection {

templates/settings.html

@@ -15,7 +15,7 @@
 			<div id="theme">
 				<label for="theme">Theme:</label>
 				<select name="theme"> 
-					{% call utils::options(prefs.theme, ["system", "light", "dark"], "system") %}
+					{% call utils::options(prefs.theme, ["system", "light", "dark", "black"], "system") %}
 				</select>
 			</div>
 			<p>Interface</p>