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