changed default value

src/config.rs

@@ -76,7 +76,7 @@ impl Default for ConfigFile {
             tag_font_ttf: String::new(),
             quote_font_ratio: 215.0,
             tag_font_ratio: 150.0,
-            color_layer: [20, 22, 25, 192],
+            color_layer: [20, 22, 25, 200],
         }
     }
 }