chore: Update border radius documentation with new variables

Signed-off-by: Marco Ambrosini <[email protected]>

Author: marcoambrosini

developer_manual/html_css_design/css.rst

@@ -190,15 +190,13 @@ Element structure variables
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
 | ``--border-width-element-focused``           | ``2px``                                        | Border width for interactive elements when focussed (adjusted for accessibility)                          |
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
-| ``--border-radius``                          | ``3px``                                        | Default border radius                                                                                     |
+| ``--border-radius-small``                    | ``4px``                                        | Border radius used for smaller elements                                                                   |
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
-| ``--border-radius-large``                    | ``10px``                                       | Larger border radius                                                                                      |
-+----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
-| ``--border-radius-rounded``                  | ``28px``                                       | Even larger border radius for elements which should be look rounded                                       |
+| ``--border-radius-element``                  | ``8px``                                        | Border radius of interactive elements such as buttons, input, navigation and list items.                  |
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
-| ``--border-radius-pill``                     | ``calc(var(--default-clickable-area) / 2)``    | Border radius for pill-style elements                                                                     |
+| ``--border-radius-container``                | ``12px``                                       | For smaller containers like action menus.                                                                 |
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
-| ``--border-radius-element``                  | ``8px``                                        | Border radius of interactive elements such as buttons, input, navigation and list items.                  |
+| ``--border-radius-container-large``          | ``16px``                                       | For larger containers like body or modals.                                                                |
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+
 | ``--default-clickable-area``                 | ``34px``                                       | Default size (width and height) for interactive elements like buttons                                     |
 +----------------------------------------------+------------------------------------------------+-----------------------------------------------------------------------------------------------------------+