body {
  background-color: #F4FDFF;
  background-image: url('');
  background-repeat: no-repeat;
  background-position: 50% -240px;
  background-attachment: fixed;

  font-family: Verdana, Geneva, sans-serif;
  font-size: 18px;
  margin: 0;
}

/* Main container */
#container {
  margin: 3em auto;
  width: 90%;
  max-width: 750px;

  background: white;
  color: #214457;

  border-radius: 25px;
  overflow: hidden;

  box-shadow: 0 0 15px rgba(0,0,0,0.15);
}

/* Header */
#header {
  background: #23a4f8;
  padding: 25px;
  border-bottom: 5px solid #ff75af;
  text-align: center;
}

#header h1 {
  margin: 0;
  color: white;
  font-size: 36px;
}

/* Navigation */
nav ul {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

nav li {
  display: inline-block;
  margin: 5px;
}

nav a {
  color: white;
  background: #1b548e;
  padding: 8px 20px;
  border-radius: 20px;
  border: 3px solid #7cd8ff;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  background: #1f64aa;
}

/* Content */
#content {
  padding: 25px;
}

#content h2 {
  margin-top: 30px;
}

/* Link list */
.links li {
  margin-bottom: 5px;
}

/* Links */
a {
  color: #a400c9;
}

a:hover {
  background: #ffbedb;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
}

/* Utility classes */
.right {
  float: right;
  margin-left: 1em;
}

.left {
  float: left;
  margin-right: 1em;
}

.center {
  display: block;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

/* Divider */
hr {
  border: 0;
  border-top: 4px dotted #ff75af;
  margin-top: 25px;
}

/* Footer */
#footer {
  text-align: center;
  font-size: 14px;
  padding: 10px;
}

/* Responsive image scaling */
@media only screen and (min-width: 600px) {
  .small {
    max-width: 60%;
    height: auto;
  }
}