/* Reset some default browser styling */
body, h1, h2, p, ul, li {
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px;
}

/* Header styling */
header {
    text-align: center;
    background-color: white;
    color: black;
    padding: 20px 0;
}

/* Container for sidebar and content */
.container {
    display: flex;
    margin-top: 20px;
}

/* Sidebar styling */
.sidebar {
    width: 200px;
    background-color: #0471bb;
    color: white;
    padding: 15px;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.sidebar ul li a:hover {
    text-decoration: underline;
}

/* Main content styling */
.content {
    flex: 1;
    padding: 20px;
    background-color: white;
    border-radius: 5px;
    margin-left: 20px;
}

/* Footer styling */
footer {
    text-align: center;
    margin-top: 20px;
    color: #555;
}

/* Lines with larger font*/
.custom-size {
    font-size: 18px;
}

/* Styling for nested navigation */
.sidebar ul ul {
    margin-left: 15px;
    font-size: 0.9em;
    margin-top: 5px;
}

.sidebar ul ul li {
    margin-bottom: 5px;
}

.sidebar ul ul li a {
    font-weight: normal;
}