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