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