body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f0f8ff;
    font-family: Arial, sans-serif;
    transition: background-color 1s ease;
}
h1 {
    margin-bottom: 20px;
    transition: opacity 1s ease;
}
.button {
    padding: 10px 20px;
    margin: 10px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    z-index: 1; /* Ensure buttons are on top */
    transition: transform 0.3s ease, background-color 0.3s ease;
}
.button:hover {
    transform: scale(1.1);
    background-color: #45a049;
}
.cry {
    font-size: 50px;
    display: none;
    z-index: 2; /* Ensure cry emoji is above buttons */
    transition: opacity 1s ease;
}
.effects {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    z-index: 0; /* Ensure effects are below buttons */
}
.huge-firecrackers {
    font-size: 100px;
    animation: explode 1s infinite;
}
.huge-balloons {
    font-size: 100px;
    position: absolute;
    bottom: 0;
    animation: rise 5s infinite;
}
@keyframes explode {
    0% { opacity: 1; }
    100% { opacity: 0; }
}
@keyframes rise {
    0% { bottom: 0; }
    100% { bottom: 100vh; }
}
.message {
    display: none;
    font-size: 48px;
    margin-top: 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease;
}
.additional-message {
    display: none;
    font-size: 24px;
    margin-top: 10px;
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease;
}
.continuous-balloons {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    pointer-events: none;
}
.balloon {
    position: absolute;
    bottom: -100px;
    font-size: 2cm; /* Decrease size of balloons to 2cm */
    animation: rise 5s infinite; /* Decrease arrival time */
}
@keyframes rise {
    0% { transform: translateY(100vh); }
    100% { transform: translateY(-100vh); }
}
.continuous-cries {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    pointer-events: none;
}
.cry-emoji {
    position: absolute;
    bottom: -100px;
    font-size: 50px;
    animation: rise-cry 5s infinite;
}
@keyframes rise-cry {
    0% { transform: translateY(100vh); }
    100% { transform: translateY(-100vh); }
}
.butterfly {
    position: absolute;
    font-size: 2cm;
    animation: fly 5s infinite;
}
@keyframes fly {
    0% { transform: translate(0, 0) rotate(0); }
    50% { transform: translate(50px, -50px) rotate(45deg); }
    100% { transform: translate(0, 0) rotate(0); }
}