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