body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

header {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 0.5em;
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
}

main {
    margin-top: 3.5em; /* Added margin-top to ensure main content doesn't overlap with header */
    margin-bottom: 2em; /* Space at the bottom */
    font-size: 1.3em;
    text-align: center;
    width: 80%; /* Adjust content width */
}

img {
    max-width: 100%;
    height: auto;
    margin-top: 2em; /* Added margin-top for some space above the image */
}

.particle {
    position: fixed;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #ffcccb;
    opacity: 1;
    transition: opacity 1s ease-out;
}