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