Element block pseudo-element :after generated with background transition height auto font-weight normal position static margin 0px border 0px rgba(0,0,0,1) solid padding 20px float none transform z-index auto width 160px line-height 1 font-size 16px cursor default overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box border-radius display block box-shadow 1px 1px 1px rgba(255,0,0,0.3)