/* Shared styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header, nav, main, footer {
    padding: 20px;
}

a {
    color: #333;
    text-decoration: none;
}

a:hover {
    color: #666;
}

/* Header styles */
header {
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2em;
    margin-bottom: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
hr {
  margin: 2em auto; /* centred margin */
  height: 2px; /* thickness of the line */
  background-color: black; /* colour of the line */
  border: none; /* no border */
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    display: inline-block;
    margin-right: 20px;
}

/* Main content styles */
main {
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

/* Individual page content will be styled in separate CSS files */

/* Footer styles */
footer {
    background-color: #f0f0f0;
    text-align: center;
    padding: 10px;
}