body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}
header {
    position: relative;
    height: 400px;
    overflow: hidden;
}
header::before {
    content: "";
    background: url('profile.jpg') no-repeat center center/cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: blur(5px) brightness(0.8);
    z-index: 1;
}
header img {
    position: relative;
    z-index: 2;
    width: 320px;
    background: rgba(255, 255, 255, 0.7);
    padding: 15px;
    border-radius: 12px;
}
nav {
    background-color: #4CAF50;
    padding: 15px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 10;
}
nav a {
    color: white;
    margin: 0 20px;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
}
section {
    padding: 40px 20px;
    max-width: 1000px;
    margin: auto;
    background: white;
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h2 {
    color: #4CAF50;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th {
    background-color: #FFEB3B;
}
iframe {
    width: 100%;
    height: 300px;
    border: 0;
    margin-top: 20px;
    border-radius: 10px;
}
footer {
    text-align: center;
    padding: 20px;
    background-color: #4CAF50;
    color: white;
    margin-top: 40px;
}