Haz on Twitter: "Here's a nice trick to create drop shadows on containers with overflow elements like arrows. Instead of using the CSS box-shadow property, you can use: filter: drop-shadow(0 3px 3px
html - Why does box-shadow look different than filter: drop-shadow - Stack Overflow
Safari - jQuery dragging with “filter: drop-shadow()” leaves traces - jQuery Forum
Breaking down CSS Box Shadow vs. Drop Shadow | CSS-Tricks - CSS-Tricks
css - SVG pixelated when using CSS3 drop-shadow filter with transform: scale - Stack Overflow
CSS Drop Shadow vs Box Shadow - DEV Community
CSS3, box-shadow vs filter: drop-shadow – Luis Villasante
Use CSS filter to Create a Drop Shadow | egghead.io