:root {
    --default-font-weight: 400;
}

body {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-weight: var(--default-font-weight);
}

h1,h2,h3 {
  font-weight: var(--default-font-weight);
  margin:0px;
}