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