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