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