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