html,body{height:100%}.autoexpand{flex:1}.centered{text-align:center}.mt-0{margin-top:0}.mt-6{margin-top:6px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mb-0{margin-bottom:0}.mb-6{margin-bottom:6px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}