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Style Properties
The style properties panel of an element opens when selecting the icon
of its context menu.

Styles
It allows copying the entire current configuration of the style panel for the selected element (Ctrl+Alt+C).
It allows applying the previously copied configuration to another element of the same type (Ctrl+Alt+V).
Padding

These properties allow defining the space between the borders (top, bottom, left and right) of the element and its content. Padding is applied to the inside of an element, unlike margin, which defines the space between the element and the element above it. It is recommended to define its value using one of the layout system spacing variables to ensure interface consistency. If a required value is not available in the spacing scale, a fixed value can be specified.
Allows values entered in one of the paddings to be copied to the other ones automatically.
Allows to indicate different values for each padding.
Tooltip

Source
It allows customizing the font, size, thickness and letter spacing of the pop-up message.
Colors
The color and opacity of the text, background and border can be defined. Borders are set uniformly for all sides of the tooltip.
Border
The border type, width, and border radius can be configured.