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