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