added an icon for the window and basic red black and white style sheet

#story[1003]

visualiser/src/main/java/seng302/App.java

@@ -6,6 +6,7 @@ import javafx.event.EventHandler;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
+import javafx.scene.image.Image;
 import javafx.stage.Stage;
 import javafx.stage.WindowEvent;
 
@@ -31,8 +32,11 @@ public class App extends Application {
         FXMLLoader loader = new FXMLLoader(getClass().getResource("/scenes/main.fxml"));
         Parent root = loader.load();
         Scene scene = new Scene(root, 1200, 800);
+        scene.getStylesheets().add("/css/sail.css");
+
         stage.setScene(scene);
         stage.setTitle("RaceVision - Team 7");
+        stage.getIcons().add(new Image(getClass().getClassLoader().getResourceAsStream("images/SailIcon.png")));
         stage.show();
     }
 }

visualiser/src/main/resources/css/sail.css

@@ -0,0 +1,53 @@
+.root {
+    -fx-base: rgb(212, 26, 32);
+    -fx-background: rgb(50, 50, 50);
+
+    /* make controls (buttons, thumb, etc.) slightly lighter */
+    -fx-color: derive(-fx-base, 10%);
+
+    /* text fields and table rows background */
+    -fx-control-inner-background: rgb(50, 50, 50);
+    /* version of -fx-control-inner-background for alternative rows */
+    -fx-control-inner-background-alt: derive(-fx-control-inner-background, 2.5%);
+
+    /* text colors depending on background's brightness */
+    -fx-light-text-color: rgb(220, 220, 220);
+    -fx-mid-text-color: rgb(100, 100, 100);
+    -fx-dark-text-color: rgb(20, 20, 20);
+
+    /*highlighting/accenting objects.  */
+    -fx-accent: rgb(220, 220, 220);
+
+    /* color of non-focused yet selected elements */
+    -fx-selection-bar-non-focused: rgb(50, 50, 50);
+
+    /*Focus colour*/
+    -fx-focus-color: rgb(255, 255, 255);
+}
+
+/* Fix derived prompt color for text fields */
+.text-input {
+    -fx-prompt-text-fill: derive(-fx-control-inner-background, +50%);
+
+}
+
+/* Keep prompt invisible when focused (above color fix overrides it) */
+.text-input:focused {
+    -fx-prompt-text-fill: transparent;
+}
+
+/* Fix scroll bar buttons arrows colors */
+.scroll-bar > .increment-button > .increment-arrow,
+.scroll-bar > .decrement-button > .decrement-arrow {
+    -fx-background-color: -fx-mark-highlight-color, rgb(255, 255, 255);
+}
+
+.scroll-bar > .increment-button:hover > .increment-arrow,
+.scroll-bar > .decrement-button:hover > .decrement-arrow {
+    -fx-background-color: -fx-mark-highlight-color, rgb(240, 240, 240);
+}
+
+.scroll-bar > .increment-button:pressed > .increment-arrow,
+.scroll-bar > .decrement-button:pressed > .decrement-arrow {
+    -fx-background-color: -fx-mark-highlight-color, rgb(255, 255, 255);
+}

visualiser/src/main/resources/css/test.css

@@ -0,0 +1,57 @@
+/*
+ * This is an adjustment of the original modena.css for a consistent dark theme.
+ * Original modena.css here: https://gist.github.com/maxd/63691840fc372f22f470.
+ * This one from: https://github.com/joffrey-bion/javafx-themes/blob/master/css/modena_dark.css
+ */
+
+/* Redefine base colors */
+.root {
+    -fx-base: rgb(50, 50, 50);
+    -fx-background: rgb(50, 50, 50);
+
+    /* make controls (buttons, thumb, etc.) slightly lighter */
+    -fx-color: derive(-fx-base, 10%);
+
+    /* text fields and table rows background */
+    -fx-control-inner-background: rgb(20, 20, 20);
+    /* version of -fx-control-inner-background for alternative rows */
+    -fx-control-inner-background-alt: derive(-fx-control-inner-background, 2.5%);
+
+    /* text colors depending on background's brightness */
+    -fx-light-text-color: rgb(220, 220, 220);
+    -fx-mid-text-color: rgb(100, 100, 100);
+    -fx-dark-text-color: rgb(20, 20, 20);
+
+    /* A bright blue for highlighting/accenting objects.  For example: selected
+     * text; selected items in menus, lists, trees, and tables; progress bars */
+    -fx-accent: rgb(0, 80, 100);
+
+    /* color of non-focused yet selected elements */
+    -fx-selection-bar-non-focused: rgb(50, 50, 50);
+}
+
+/* Fix derived prompt color for text fields */
+.text-input {
+    -fx-prompt-text-fill: derive(-fx-control-inner-background, +50%);
+}
+
+/* Keep prompt invisible when focused (above color fix overrides it) */
+.text-input:focused {
+    -fx-prompt-text-fill: transparent;
+}
+
+/* Fix scroll bar buttons arrows colors */
+.scroll-bar > .increment-button > .increment-arrow,
+.scroll-bar > .decrement-button > .decrement-arrow {
+    -fx-background-color: -fx-mark-highlight-color, rgb(220, 220, 220);
+}
+
+.scroll-bar > .increment-button:hover > .increment-arrow,
+.scroll-bar > .decrement-button:hover > .decrement-arrow {
+    -fx-background-color: -fx-mark-highlight-color, rgb(240, 240, 240);
+}
+
+.scroll-bar > .increment-button:pressed > .increment-arrow,
+.scroll-bar > .decrement-button:pressed > .decrement-arrow {
+    -fx-background-color: -fx-mark-highlight-color, rgb(255, 255, 255);
+}