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