body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

.main {
    background-color: #f9f9f9;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.portal-links {
    display: flex;
    justify-content: space-around;
}

a {
    text-decoration: none;
    color: #333;
    font-size: 1.2em;
    padding: 10px 20px;
}

.primary-portal {
    background-color: #007bff;
    color: #fff;
}

.college-portal {
    background-color: #28a745;
    color: #fff;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}