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