body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
}
.container.horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
    align-items: flex-start;
}
.profile-card {
    width: 280px;
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    text-align: center;
    margin-top: 110px;
}
.profile-card img {
    width: 100px;
    border-radius: 50%;
}
.profile-card h2 {
    margin: 10px 0 5px;
}
.profile-card p {
    margin: 0 0 10px;
    color: #777;
}
.profile-card .social {
    margin-top: 15px;
}
.main-content {
    flex: 1;
    min-width: 300px;
}
.title-center {
    text-align: center;
    font-size: 38px;
    margin-bottom: 20px;
}
.card {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
}
.card table {
    width: 100%;
    border-collapse: collapse;
}
.card table th, .card table td {
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid #ddd;
}