body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header {
  background-color: #6a0dad;
  color: white;
  padding: 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1em;
  padding: 0;
  margin: 0;
}
nav a {
  color: white;
  text-decoration: none;
}
.hero {
  padding: 2em;
  background-color: #f4f4f4;
  text-align: center;
}
.login-form {
  margin-top: 1em;
}
.login-form input {
  padding: 0.5em;
  margin: 0.5em;
}
.download {
  padding: 2em;
  background-color: #fff;
  text-align: center;
}
.download .btn {
  display: inline-block;
  padding: 1em;
  background-color: #6a0dad;
  color: white;
  text-decoration: none;
  margin-top: 1em;
}
footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 1em;
}