body {
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
  margin: 0;
  padding: 0;
}
header {
  background-color: #d32f2f;
  color: white;
  padding: 20px;
  text-align: center;
}
nav {
  background-color: #fff;
  padding: 10px;
  text-align: center;
}
nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #d32f2f;
  font-weight: bold;
}
main {
  padding: 30px;
  max-width: 960px;
  margin: auto;
  background: white;
}
footer {
  text-align: center;
  padding: 20px;
  background: #d32f2f;
  color: white;
  margin-top: 40px;
}
ul {
  list-style: none;
  padding: 0;
}
ul li::before {
  content: '\2022';
  color: #d32f2f;
  font-weight: bold;
  display: inline-block; 
  width: 1em;
  margin-left: -1em;
}