You can customize the Sidebar Widgets as you like. Follow Theme Options > Theme Settings. Here from the Blog tab click Sidebar Options, and the sidebar widgets field will appear.
Custom Sidebar Style: Switch on for custom sidebar style.
Widgets Background Color: Set Widget Background Color.
Box Shadow: Set Widget Box Shadow.
Widget Margin: Set Widget Margin.
Widget Padding: Set Widget Padding.
Widget Border: Set Widget Border.
Widget Title Margin: Set Widget Title Margin.
Widget Title Padding: Set Widget Title Padding.
Widget Title Color: Set Widget Title Color.
Widget Text Color: Set Widget Text Color.
Widget Anchor Color: Set Widget Anchor Color.
Widget Anchor Hover Color: Set Widget Anchor Hover Color.
Click Save Changes to save theme options. Click Reset Section to reset only this section. Click Reset All to reset all theme options.