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