main {
    width: 96%;
    height: 80%;
    margin: 100px 100px;
    margin-left: 1rem;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h2 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.8em;
}

.sources p {
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 1em;
}

.sources p a {
    color: #3498db;
    text-decoration: none;
}

.sources p a:hover {
    text-decoration: underline;
}