*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;width:100%;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}body{overflow-y:auto;line-height:1.6}