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