css - How to create a drop shadow only on one side of an element? - Stack Overflow
Vecteur Stock Shadow paper shapes set isolated on transparent background. Vector gradient line dividers for banner, bottom, box, label, bar design. | Adobe Stock
html - How to remove the border box-shadow provides? - Stack Overflow
html - css3 drop shadow property left right bottom - Stack Overflow
Upscale your website with the box-shadow property
CSS3 rounded responsive drop shadows & glows - Web design company Romania
css - How to make shadow on border-bottom? - Stack Overflow
CSS3 Box Shadow, only top/right/bottom/left and all · GitHub