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