:root{
  --primary-color: #1976d2;
}

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background-color: var(  --primary-color );
    color: white;
    text-align: center;
    padding: 1em 0;
}

section {
    padding: 20px;
    margin: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: var(  --primary-color );
}

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

ul li {
    margin: 10px 0;
}

a {
    color: #1976d2;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #f1f1f1;
    position: fixed;
    width: 100%;
    bottom: 0;
}