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