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