/* Internal CSS */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #280fe0;
    color: white;
    padding: 1em;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

main {
    padding: 20px;
}

.main-img, .profile-img {
    max-width: 100%;
    height: auto;
}

.profile-img {
    width: 150px;
    border-radius: 50%;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f4f4f4;
}