Element block pseudo-element :after generated with border-radius transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) position absolute float none overflow hidden width 160px height auto cursor default padding 20px background transition display block box-shadow 4px 6px 4px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid font-weight normal margin 0px font-size 16px line-height 1 z-index auto box-sizing content-box