css - How to apply box-shadow around the box including arrow tip? - Stack Overflow
Box-Shadows
Box-shadow, one of CSS3's best new features - CSS3 . Info
CSS3 Box Shadow, only top/right/bottom/left and all · GitHub
CSS Border Generator - Benohead's Software Blog
CSS box-shadow Property
Inset box shadows with spread and rounded corners also spread to the outside if an outset box shadow is present · Issue #1737 · servo/webrender · GitHub
claymorphism-css - npm
Add drop shadow-box to card? - Esri Community
Box shadow , rounded corner shadow , circle shadow
CSS Shadows
CSS – Box Shadow Effect outset & inset | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)
CSS box-shadow property
How Do Browsers Render the Different CSS Border Style Values? - Impressive Webs