Re: [css3-background] box-shadow spread radius and rounded corners from Brad Kemper on 2010-04-28 (www-style@w3.org from April 2010)
Rounded Corners with CSS border-radius Property | Juixe Techknow
Expanded Use of `box-shadow` and `border-radius` | Modern CSS Solutions
Adding Depth with box-shadow | Enhancing Boxes with CSS3 Bling | Peachpit
How To Add Realism With CSS Box Shadow And Text Shadow - Vanseo Design
Adding CSS Shadows to Buttons in Canvas Apps - FlowJoe.io
Better CSS Drop Shadows for Avada Image Element "Lift-up" animation effects — Casey H
How to remove the border-radius or round corner in input field in HTML? - Mazz i Torch - The latest global technology multi-platform entertainment media
Rounded Corners and Shadows – Dialogs with CSS - Rick Strahl's Web Log
Custom CSS: Rounded corners and shadows - Spotlight