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