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