body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #222;
  color: #fff;
}

header {
  background: #1f4f7f;
  padding: 0;
}

header img.banner {
  width: 100%;
  height: auto;
  display: block;
}

nav {
  background: #000;
  padding: 8px 40px;
}

nav a {
  color: #fff;
  margin-right: 20px;
  text-decoration: none;
  font-weight: bold;
  font-size: 14px;
}

nav a:hover {
  text-decoration: underline;
}

.main {
  padding: 30px 40px;
}

.columns {
  display: flex;
  gap: 30px;
}

.column {
  flex: 1;
  background: #333;
  padding: 20px;
  border-radius: 4px;
}

.column h2 {
  color: #4fa3ff;
  margin-top: 0;
  margin-bottom: 10px;
}

.column p {
  font-size: 14px;
  line-height: 1.5;
}

footer {
  background: #000;
  color: #ccc;
  padding: 10px 40px;
  font-size: 12px;
  text-align: right;
}

footer a {
  color: #ccc;
  text-decoration: none;
  margin-left: 5px;
}

footer a:hover {
  text-decoration: underline;
}