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