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