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