* {
  margin : 0;
  padding : 0;
  box-sizing: border-box;
  font-family: Helvetica, Arial, sans-serif;
}

html {
  height: 100%;
}

a { 
  color: inherit; 
  text-decoration: inherit; 
} 

a:hover {
  text-decoration: underline;
}

body {
  color : #fff;
  background: black;
  min-height: 100vh;
  padding: 25px;
}

main {
  background: transparent;
  font-size: 18px;
  font-weight: 400;
  overflow : hidden;
  max-width: 100%;
  width: 600px;
}

h1, h2, h3, h4 {
  font-weight: 400;
}