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