Button setting

Button spacing:

Changes space between two button in the navigation bar.

Ex. In the first image, the spacing between two buttons are 15%. In the second image, the spacing between two buttons are 35%.

Button Leading space:

This will add space on the left side of button. This only applies to the first button on the left side.

Ex. In the first image, the leading space is default 10px. In second image, it's 30px.

Button Trailing space:

This will add space on the right side of button. This only applies to the last button on the right side.

Ex. In the first image, the trailing space is default 10px. In second image, it's 30px.

Button height & width:

Apply navigation bar button height and width.

Ex. In the first image, the size of the button is 80x80. In the second image, size of the button is 50x50.