body {
    font-family: Arial, sans-serif;
    background-color:white;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}
header {
    background-color:white;
    color:black; 
    padding: 40px 20px;
    text-align:center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
header h1 {
    margin: 0 0 30px 0;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
nav a {
    text-decoration: none;
    color:black;
    background-position-x:center;
    padding: 12px 28px;
    border-radius:30px;
    transition: all 0.3px ease;
    display: inline-block;
    box-shadow: 0 4px 8px rgba(52, 152, 219);
    font-size: 16px;
    border: 2px solid transparent;
}
nav a:hover {
    background-color:cornflowerblue;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(52, 152, 219);
    border-color: white;
}
article {
    background-color:white;
    color:black; 
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
article h1 {
    margin: 0 0 30px 0;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}