* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: #fafafa;
}

body {
  width: 100%;
  margin: 0;
  margin-bottom: 24px;
}

*:not(a) {
  color: #444444;
}
 
main {
  font-family: sans-serif;
  margin: 0 auto;
  max-width: 600px;
  padding: 0 20px 20px;
}

label,
button {
  cursor: pointer;
}

button {
  font-size: 1.2rem;
}

li {
  margin-bottom: 4px;
}

li img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

h1 {
  font-size: 1.6em;
}

h2 {
  font-size: 1.4em;
  margin: 0.5em 0;
}

h3 {
  font-size: 1.2em;
}

ol, ul {
  padding-left: 3ch;
}