body {
    background-color: white;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    text-align: center;
    font-family: 'Segoe UI', sans-serif;
    color: black;
}

button {
    color: white;
    background-color: greenyellow;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
    border-radius: 8px;
}

button:hover {
    background-color: rgb(140, 208, 39);
    transform: scale(1.1);
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

ul {
    list-style-position: inside;
}

li {
    display: list-item;
}