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