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