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