/* Imagens para animação de queda */
.falling-animation-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.falling-item {
    position: absolute;
    top: -100px;
    opacity: 0.7;
    z-index: -1;
    animation-name: falling;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.money {
    width: 40px;
    height: 20px;
    background-image: url('images/animation/money.png');
    background-size: contain;
    background-repeat: no-repeat;
}

.file {
    width: 30px;
    height: 35px;
    background-image: url('images/animation/file.png');
    background-size: contain;
    background-repeat: no-repeat;
}

@keyframes falling {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(calc(100vh + 100px)) rotate(360deg);
        opacity: 0.3;
    }
}