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