Element block pseudo-element :after generated with margin 0px font-size 16px position static display block transition cursor default float none border 0px rgba(0,0,0,1) solid padding 20px border-radius opacity 1 width 160px font-weight normal box-sizing content-box height auto z-index auto outline none text-shadow 1px 1px 1px rgba(0,0,0,0.2) background overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform line-height 1