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