body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
}

nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    gap: 15px;
    justify-content: center;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

nav ul li a {
    text-decoration: dashed;
    color: #3f3838;
    padding: 10px 20px;
    border: 2px solid #0b528b;
    border-radius: 50px; 
    font-weight: 600;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background-color: #007bff;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    transform: translateY(-2px); 
}