The Look and Feel and Configuration buttons on a portlet can be used to customize the portlet.
A window pops-up on clicking the Look and Feel button. The window provides options to customize the look and feel of the portlet.
The window has tabs for Portlet Configuration, Text Styles, Background Styles, Border Styles, Margin and Padding, Advanced Styling, and WAP Styling.
If you enable the Use Custom Title option, you can change the value in the Portlet Title field. When you click Save, the new title for the portlet takes effect. The Show Borders option can be used to enable or disable the display of borders.
Using this tab, you can change the default settings for text such as, font, size, color, alignment, bold, and italic.
Using this tab, you can change the default background color for the portlet.
Using this tab, you can change the border styles for the portlet. You can change the default settings for the Border Width, Border Style, and Border Color. You can set different width, style, and colors for different borders by disabling the Same for All option.
Using this tab, you can change the default margin and padding settings. It may not be generally advisable to change the default margin and padding settings.
Using this tab, you can define CSS rules for the portlet and all similar portlets.
Using this tab, you can define the styling for mobile handsets.
A window pops-up on clicking the Customization button. From this window, you can configure permissions for the portlet, can export/import the portlet data, and can enable sharing on the portlet/widget.
For a detailed use case on the Configuration button to enable sharing of portlets, see Enabling Sharing of a Portlet