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