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