* {
  margin: 0px;
  padding: 0px;
}

body {
  font-family: 'Helvetica', sans-serif;
}

h1, h2, h3, h4, h5, h6, a, p {
  color: #324057;
}

a {
  text-decoration: none;
}

* {
  margin: 0rem;
  padding: 0rem;
}

body {
  font-family: 'Helvetica', sans-serif;
}

h1, h2, h3, h4, h5, h6, a, p, span {
  color: #324057;
}

a {
  text-decoration: none;
}

Change from pixel to rem.
Change from pixel to rem.
