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