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