First options menu and a lot of fixes

src/main/resources/assets/jfx/main.css

@@ -11,6 +11,20 @@ Button.red:pressed {
     -fx-background-color: #9c2121;
 }
 
+.toggle-button {
+    -fx-min-width: 50;
+    -fx-max-width: 50;
+    -fx-min-height: 20;
+    -fx-border-color: #aaaaaa;
+    -fx-border-radius: 5;
+    -fx-background-radius: 5;
+    -fx-background-color: linear-gradient(to right, white 40%, #999999 40%, #dddddd);
+    -fx-background-insets: 0;
+}
+.toggle-button:selected {
+    -fx-background-color: linear-gradient(to right, #1695e8, #1279bb 60%, white 60%);
+}
+
 ScrollPane {
     -fx-background-insets: 0;
     -fx-border-insets: 0;
@@ -34,6 +48,14 @@ Label.red {
 Label.green {
     -fx-text-fill: #457229;
 }
+.options-menu > Label {
+    -fx-font-size: 16;
+}
+.options-menu .heading {
+    -fx-padding: 10 0 0 0;
+    -fx-font-size: 20;
+    -fx-font-weight: bold;
+}
 
 .align-right {
     -fx-alignment: center-right;