body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f4f7f6;
    color: #2c3e50;
    margin: 0;
    padding: 0;
    line-height: 1.8;
}
nav {
    background-color: #34495e;
    padding: 1rem;
    text-align: center;
}
nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
}
main {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
h1 {
    font-size: 2.4em;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 15px;
}
.profile-photo {
    float: left;            
    width: 220px;          
    height: auto;
    margin-right: 35px;     
    margin-bottom: 20px;
    border-radius: 8px;     
    display: block;        
}
p {
    font-size: 16px;
    margin-bottom: 1.5rem;