index.css

body, h1, ul, li {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Source sans', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #000;
    padding: 20px;
}

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

li {
    margin-bottom: 10px;
}

a {
    text-decoration: none;
    color: #003366;
    font-weight: bold;
    border-bottom: 2px solid transparent;
    transition: border-bottom-color 0.3s;
}

a:hover {
    border-bottom-color: #003366;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    font-family: 'Times New Roman', Times, serif;
    font-size: 2.5em;
    color: #fff;
    margin-bottom: 20px;
    padding-left: 10px;
    background-color: #000;
}