some reusable css

stype.css

:root {
  --clr-primery-200: some color;
  --ff-primery: "Roboto", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, p {
  margin: 0;
}

body {
  font-family: var(--ff-primery);
  font-weight: 400;
  font-size: 1.3125rem
  line-height: 1.6;
}