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