body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f9f9f9;
  color: #222;
  margin: 0;
  padding: 0;
}
header {
  background: #1845ad;
  color: white;
  padding: 20px 10px 10px 10px;
  text-align: center;
}
header nav a {
  color: white;
  margin: 0 10px;
  font-weight: bold;
  text-decoration: none;
}
header img {
  vertical-align: middle;
}
main {
  padding: 20px;
  max-width: 850px;
  margin: auto;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 10px #ccc;
}
footer {
  text-align: center;
  color: #555;
  background: #eee;
  padding: 15px;
  margin-top: 30px;
  font-size: 14px;
}
ul {
  padding-left: 20px;
}
hr {
  margin: 25px 0;
}
.tags {
  margin: 10px 0 20px 0;
  font-size: 16px;
}
.tags a {
  color: #1845ad;
  margin-right: 5px;
  text-decoration: underline;
}