My Basic CSS-reset

@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Roboto:wght@300;400;500;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

html {
  font-size: 62.5%;
}

body {
  background-color: #1d1d1d;
  color: #fff;
  font-optical-sizing: auto;
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  font-style: normal;
  font-size: 1.6rem;
  height: 100vh;
  line-height: 1.6;
  overflow: hidden;
  width: 100%;
  padding-block: 6rem;
}

h1,
h2,
h3 {
  padding-bottom: 2rem;
  text-transform: uppercase;
}
h1{font-size: 3.2rem;}
h2{font-size: 2.4rem;}
p {
  font-size: 1.6rem;
  margin: 1rem 0;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}