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