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