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