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