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