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