body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
}

header{
header-logo{
    margin-left: 15px;
    width: 200px;
    border-style: solid;
    border-radius: 50%;
    border-width: 5px;
    }
}

nav {
    margin: 2rem, 1rem, 2rem, 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: background 0.3s ease;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.2);
}

main {
    max-width: 1000px;
    margin: 1rem auto;
    padding: 1rem;
    text-align: left;
}