body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
header {
    background-color: #4CAF50;
    color: white;
    padding: 1rem;
    text-align: center;
}
nav {
    display: flex;
    justify-content: center;
    background-color: #333;
}
nav a {
    color: white;
    padding: 14px 20px;
    text-decoration: none;
    text-align: center;
}
nav a:hover {
    background-color: #ddd;
    color: black;
}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    position: fixed;
    width: 100%;
    bottom: 0;
}
main {
    padding: 1rem;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
table, th, td {
    border: 1px solid #ddd;
}
th, td {
    padding: 12px;
    text-align: left;
}
th {
    background-color: #4CAF50;
    color: white;
}
tr:nth-child(even) {
    background-color: #f2f2f2;
}

.members-section {
    margin: 20px 0;
}
.members-section h3 {
    color: #4CAF50;
}
.members-list, .students-list {
    list-style-type: none;
    padding: 0;
}
.members-list li, .students-list li {
    padding: 15px;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
}
.members-list img, .students-list img {
    border-radius: 50%;
    margin-right: 20px;
    width: 80px;
    height: 80px;
    object-fit: cover;
}
.member-info {
    display: flex;
    flex-direction: column;
}
.member-info strong {
    font-size: 1.2em;
    margin-bottom: 5px;
}

.course-list {
    margin: 20px 0;
}
.course {
    margin-bottom: 20px;
}
.year-2 {
    background-color: #fef59d;
    padding: 10px;
    border-radius: 5px;
}
.year-3 {
    background-color: #71d5f6;
    padding: 10px;
    border-radius: 5px;
}
.year-4 {
    background-color: #ea859a;
    padding: 10px;
    border-radius: 5px;
}