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