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