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