body {
  background-color: #0b1a3b; 
  margin: 0;
  font-family: Arial, sans-serif;
  color: #102018;
}

#container {
  background-color: #f7fbff; 
  width: 1000px;
  margin: 0 auto;
  border: 3px solid #0b1a3b;
}

/* Banner */
header img {
  display: block;
  margin: 0 auto;
  max-width: 1000px;
  width: 100%;
}

/* Nav */
nav {
  text-align: center;
  background-color: #e8f3ff; 
  padding: 12px 0;
  border-top: 2px solid #0b1a3b;
  border-bottom: 2px solid #0b1a3b;
}

nav a {
  text-decoration: none;
  margin: 0 18px;
}

.button {
  background-color: #f6e65a; 
  display: inline-block;
  padding: 6px 22px;
  font-size: 22px;
  font-weight: bold;
  border: 2px solid #0b1a3b;
}

.button:hover {
  background-color: #fff2a6;
}

/* General spacing */
section {
  padding: 18px 20px 30px 20px;
}

h1 {
  text-align: center;
  margin-top: 10px;
}

/* Footer */
footer {
  text-align: center;
  padding: 12px 0 18px 0;
  background-color: #e8f3ff;
  border-top: 2px solid #0b1a3b;
}

/* About layout */
.about-photo {
  float: left;
  margin: 0 15px 10px 0;
  width: 140px;
  border: 2px solid #0b1a3b;
  background: white;
  padding: 6px;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

/* Gallery layout */
.gallery-row {
  text-align: center;
}

.gallery-item {
  display: inline-block;
  width: 220px;
  margin: 10px 12px;
  vertical-align: top;
  background: white;
  border: 2px solid #0b1a3b;
  padding: 10px;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

.gallery-caption {
  font-size: 14px;
  margin-top: 8px;
}