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