.smoke-container-01, .smoke-container-02, .smoke-container-03, .smoke-container-04 {
    position: absolute;
    width: 200px;
    height: 200px;
    margin: 0 auto;
    background-color: transparent;
    overflow: hidden;
 }

.smoke {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 90px;
    height: 40px;
    background-color: #acb585;
    opacity: 0;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.2);
    animation: smoke-effect 4s linear infinite;
    transform: translate(-50%, -100%);
}
  
.smoke:nth-child(2) {
    animation-delay: 1s;
}
  
.smoke:nth-child(3) {
    animation-delay: 2s;
}
  
.smoke:nth-child(4) {
    animation-delay: 3s;
}
  
@keyframes smoke-effect {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.2); 
        width: 0px;
        height: 0px;
        opacity: 0.3;
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        width: 40px;
        height: 25px;
        opacity: 0;
        transform: translate(+50%, -200%) rotate(0deg);
    }
    25% {
        transform: translate(calc(-5% - random(10px)), -50%) rotate(-5deg);
        opacity: 0.9;
    }
    50% {
        transform: translate(calc(5% + random(10px)), -100%) rotate(0deg);
        opacity: 0.75;
    }
    75% {
        transform: translate(calc(-5% - random(10px)), -150%) rotate(5deg);
        opacity: 0.5;
    }
}