body {
  margin: 40px auto;
  max-width: 650px;
  line-height: 1.6;
  font-size: 18px;
  color: #444;
  background-color: #EEEEEE;
  padding: 0 10px;
}

h1,h2,h3 {
  line-height: 1.2;
}

nav {
  text-align: center;
}

img {
  display: block;
  margin: 0 auto;
  width: 650px;
}

a {
  color: blue;
}

a:visited {
  color: purple;
}

nav a {
  text-decoration: none;
  color: #333;
  padding: 0 10px;
}

nav a:visited {
  color: #333
}

.stuff-right {
  position: fixed;
  top: 40px;
  right: 40px;
  display: flex;
  gap: 20px;
  z-index: 1000;
}

.stuff-right a {
  text-decoration: none;
  color: #444;
}
.stuff-left {
  position: fixed;
  top: 40px;
  left: 40px;
  display: flex;
  gap: 20px;
  z-index: 1000;
}

.stuff-left a {
  text-decoration: none;
  color: #444;
}