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