body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
}
header {
  background: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
  color: white;
  padding: 60px 20px;
  text-align: center;
  position: relative;
}
header img.logo {
  max-width: 150px;
  margin-bottom: 20px;
}
header h1 {
  font-size: 3em;
  margin: 0 0 10px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
}
header p {
  font-size: 1.2em;
  margin: 0;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.6);
}
nav {
  margin-top: 15px;
}
nav a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
}
nav a:hover {
  text-decoration: underline;
}
main {
  max-width: 900px;
  margin: 40px auto;
  background: white;
  padding: 20px 40px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
section {
  margin-bottom: 40px;
}
h2 {
  border-bottom: 2px solid #007acc;
  padding-bottom: 10px;
  color: #007acc;
}
ul {
  list-style: none;
  padding-left: 0;
}
ul li {
  background: url('data:image/svg+xml;utf8,<svg fill="%23007acc" height="12" viewBox="0 0 24 24" width="12" xmlns="http://www.w3.org/2000/svg"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>') no-repeat left center;
  padding-left: 20px;
  margin-bottom: 10px;
}
footer {
  background: #007acc;
  color: white;
  text-align: center;
  padding: 20px 10px;
  position: relative;
}
footer img.banner {
  max-width: 100%;
  height: auto;
  margin-top: 10px;
  opacity: 0.8;
}
a {
  color: #007acc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.slogan-list {
  font-style: italic;
  color: #555;
}
form label {
  font-weight: bold;
}
form input[type="text"],
form input[type="email"],
form textarea {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
}
form button {
  background-color: #007acc;
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
}
form button:hover {
  background-color: #005fa3;
}