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