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