/* Reset some default browser styles */
html,
body,
h1,
h2,
h3,
p,
ul,
li,
a {
  margin: 0;
  padding: 0;
}

/* Global styles */
body {
  font-family: 'Arial', sans-serif;
  background-color: #f5f5f5; /* Light gray background */
  color: #333; /* Dark gray text */
  margin: 0;
  padding: 0;
}

header {
  background-color: #f1f1f1; /* Soft light gray background for header */
  text-align: center;
  padding: 1rem 0;
  border-bottom: 2px solid #555; /* Medium gray */
}

header h1 {
  font-size: 3rem;
  text-transform: uppercase;
  color: #333; /* Dark gray text for header */
}

nav ul.nav-list {
  list-style: none;
}

nav ul.nav-list li {
  display: inline;
  margin-right: 20px;
}

nav ul.nav-list li:last-child {
  margin-right: 0;
}

nav ul.nav-list li a {
  color: #333; /* Dark gray text for links in nav-list */
  text-decoration: none;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

nav ul.nav-list li a:hover {
  color: #555; /* Slightly darker gray on hover for links in nav-list */
}

.content {
  padding: 20px;
}

h2 {
  font-size: 2rem;
  color: #555; /* Medium gray */
  margin-top: 20px;
}

ul.book-list,
ul.dev-list {
  list-style: none;
}

ul.book-list li,
ul.dev-list li {
  margin-bottom: 10px;
}

a {
  text-decoration: none;
  color: #444; /* Dark gray for links */
  font-size: 1.2rem;
  transition: color 0.3s ease;
  border-bottom: 1px solid #444;
  padding-bottom: 2px;
}

a:hover {
  color: #333; /* Slightly darker gray on hover */
}

footer {
  background-color: #f1f1f1; /* Soft light gray background for footer */
  text-align: center;
  padding: 1rem 0;
  border-top: 2px solid #555; /* Medium gray */
}

footer p {
  color: #333; /* Dark gray text for footer */
}