body{
  margin: 0;
  font-family: "Computer Modern Serif", serif;
  background: #ffffff;
  color: #111;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  background: darkblue;
  color: white;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 55px;
  height: 55px;
  border-radius: 50%;
}

header h1 {
  font-size: 22px;
  margin: 0;
}

header h1 a {
  text-decoration: none;
  color: white;
}

/* NAV */
nav a {
  text-decoration: none;
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgba(255,255,255,0.15);
}

nav a:hover {
  background: rgba(255,255,255,0.25);
}

.content{
  text-align: center;
  padding: 20px;
}

.context{
  padding: 20px;
  text-align: justify;
  line-height: 1.8;
}

/* LINK TITLE */
.url{
  text-decoration: none;
  color: darkblue;
}

/* CHAPTER BOX */
.ch{
  background: darkblue;
  border-radius: 10px;
  padding: 10px 15px;
  margin-bottom: 15px;
}

/* CHAPTER LINKS */
.churl{
  text-decoration: none;
  color: white;
  display: block;
  padding: 5px 0;
}

.churl:hover{
  text-decoration: underline;
}

/* PDF VIEWER */
.np{
  width: 100%;
  height: 600px;
  margin: 0;
  border: none;
}

/* FOOTER */
footer{
  text-align: center;
  padding: 10px;
  background: black;
  color: white;
}