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