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