body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, lightgreen, green);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
}

h1 {
    font-size: 3rem;
    margin-bottom: 50px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.button {
    z-index: 999;
    font-size: 20px;
    padding: 15px 25px;
    margin: 10px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.8);
    color: #333;
    transition: transform 0.2s, background-color 0.3s;
}

.button:hover {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 1);
}

/* Falling chip animation */
.chip {
    width: 50px;
    position: absolute;
    top: -60px; /* start above the screen */
    transform: translateX(-50%);
    animation: fallChip 4s ease-in forwards;
}

@keyframes fallChip {
    0% {
        transform: translateY(-110vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Floating background balls */
.ball {
    z-index: -1;
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: floatBall linear infinite;
}

@keyframes floatBall {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(50px);
    }
    100% {
        transform: translateY(0);
    }
}