body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: white;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
header {
    text-align: center;
    padding: 20px 0;
    background-color: white;
    color: #333;
}
.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
}
header h1 {
    margin: 0;
    font-size: 2.5em;
}
main {
    padding: 20px 0;
}
section {
    margin-bottom: 30px;
}
h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}
ul {
    padding-left: 20px;
}
footer {
    text-align: center;
    padding: 20px 0;
    background-color: #f0f0f0;
    color: #333;
}