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