Adding Drop Shadows to Dynamic Blocks

The shadow functionality and what Justin wrote about is you can add drop shadows via manually adding the attributes to a block. We were just really missing that UI and the preset functionality. So right now you can either use UI and Global Styles for button to edit global button styles with shadow. The anchor block is now supported across dynamic blocks, pretty small change, but one that was needed because navigation and navigation items are dynamic blocks. And so they did not have HTML anchor support.