body {
  font-family: Arial, sans-serif;
  max-width: 750px;
  margin: 40px auto;
  background-color: #b7cded;
  color: #333;
  padding: 20px;
  line-height: 1.6;
}

header {
  text-align: center;
  margin-bottom: 25px;
}

h1 {
  color: #003366;
  margin-bottom: 0.3em;
}

header p {
  margin: 0;
  font-size: 1em;
  color: #222;
}

header p:last-of-type {
  font-style: italic;
  color: #004080;
}

nav {
  text-align: center;
  margin-bottom: 30px;
}

nav ul {
  list-style: none;
  padding: 0;
  display: inline-flex;
  gap: 15px;
}

nav a {
  color: #003366;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

h2 {
  color: #005599;
  background-color: #dbe7f8;
  border-radius: 6px;
  padding: 6px 10px;
  margin-top: 40px;
}

article {
  background-color: #e4edfa;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid #aac3e3;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: 0.3s;
}

article:hover {
  background-color: #d7e7ff;
}

.partie {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 3px solid #aac3e3;
}

ul {
  list-style-type: none;
  padding-left: 0;
}

ul li {
  margin: 6px 0;
  position: relative;
  padding-left: 15px;
}

ul li::before {
  content: "›";
  color: #003366;
  position: absolute;
  left: 0;
}

ol {
  padding-left: 30px; 
  margin-top: 10px;
}

ol li {
  margin: 6px 0;
  padding-left: 5px;
}


a {
  color: #004c99;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: #002f66;
}

code {
  font-family: Consolas, 'Courier New', monospace;
  background-color: #dbe7f8;
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 0.9em;
}

footer {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9em;
  color: #222;
  border-top: 1px solid #555;
  padding-top: 10px;
}