/* RESET AND BASE STYLES */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #f9f9f9;
  color: #333;
  line-height: 1.6;
  padding: 20px;
}
a {
  color: #007bff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
h1,
h2,
h3 {
  margin-bottom: 15px;
  color: #222;
}

p {
  margin-bottom: 15px;
}

main {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@media screen and (max-width: 400px) {
  main {
    background-color: #f9f9f9;
    padding: 0;
    box-shadow: none;
  }

  a {
    font-size: 0.8em;
  }
}