body {
    text-align: center;
    font-family: Arial, sans-serif;
}

h1 {
    color: #333;
}

#balloons {
    margin-top: 20px;
}

.balloon {
    display: inline-block;
    width: 50px;
    height: 80px;
    background-color: #FF5733;
    border-radius: 50% 50% 50% 0;
    position: relative;
    margin: 20px 10px;
    animation: floatUp 5s linear infinite;
}

@keyframes floatUp {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-40px);
    }
    100% {
        transform: translateY(0);
    }
}

#message {
    font-size: 1.5em;
    margin-top: 10px;
}