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