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