body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(45deg, #ff9a9e, #fad0c4, #fbc2eb, #a1c4fd, #c2e9fb, #ff9a9e);
    background-size: 1000% 1000%;
    animation: gradientBG 15s linear infinite;
    color: #333;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

header {
    background: linear-gradient(45deg, #ff9a9e, #fad0c4, #fbc2eb, #a1c4fd, #c2e9fb, #ff9a9e);
    background-size: 400% 400%;
    animation: gradientBG 15s linear infinite;
    padding: 15px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header a {
    margin: 0 15px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
}

header a:hover {
    text-decoration: underline;
}

main {
    text-align: center;
    padding: 50px 20px;
}

footer {
    margin-top: 30px;
    font-size: 0.9em;
    color: #555;
    text-align: center;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

p {
    font-size: 1.2em;
    line-height: 1.6;
}