:root{--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", "Ubuntu", sans-serif}html{width:100%;height:100%}body{width:100%;height:100%;margin:0;color:#1a1a1a;background-color:#fff;font-family:var(--font-family)}#root{width:100%;height:100%}h2{margin:0;font-size:1.2rem;font-weight:500}button{font-family:var(--font-family)}