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