The icon of the notes.

The background color of the notes icon.

The border of the icon.

The border color of the icon.

The border width of the icon.

The size of the icon.

The icon shape.

The supported values are:

• "circle" - the marker shape is circle.
• "square" - the marker shape is square.
• "triangle" - the marker shape is triangle.
• "cross" - the marker shape is cross.

The icon visibility.