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