Element block pseudo-element :after generated with display none height auto overflow visible padding 20px position absolute status box-sizing content-box border 1px rgb(204, 204, 204) solid cursor default transition text-shadow line-height normal font-size 100% z-index 1 transform margin 0px background border-radius width auto font-weight normal outline none opacity 1 box-shadow 0px 0px 10px rgba(0,0,0,0.5) float none