body {
    background: linear-gradient(45deg, #000, #003300, #000);
    background-size: 400% 400%;
    animation: gradientAnimation 10s ease infinite;
    text-align: center;
    font-family: Arial, sans-serif;
    color: white;
    margin: 0;
    padding: 0;
}

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

#spinWheel {
    font-size: 98px;
    color: #00ff00;
    text-shadow: 0 0 10px #00ff00;
    transition: transform 4s ease-out;
    margin-top: 20px;
}

#spinButton {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 20px;
    border: none;
    background-color: #00ff00;
    color: black;
    cursor: pointer;
    border-radius: 5px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 5px #00ff00; }
    50% { box-shadow: 0 0 20px #00ff00; }
    100% { box-shadow: 0 0 5px #00ff00; }
}

#history {
    margin-top: 30px;
}

#resultHistory {
    list-style: none;
    padding: 0;
}

#resultHistory li {
    font-size: 20px;
    margin: 5px 0;
}