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