body {
    margin: 0;
    overflow: hidden;
    position: relative;
    height: 100vh;
    background: #1a1a2e;
}

.coin {
    position: absolute;
    width: 40px;
    height: 40px;
    bottom: 0;
}

@keyframes popup {
    0% {
        transform: translateY(0) scale(0);
    }

    50% {
        transform: translateY(-60px) scale(1.2);
    }

    100% {
        transform: translateY(-10px) scale(1);
    }
}

@keyframes fadeout {
    0% {
        opacity: 1;
    }
    40% {
        opacity: 0.7; 
    }
    70% {
        opacity: 0.3; 
    }
    100% {
        opacity: 0;
    }
}