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