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