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