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