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