.animation-area{
    background-size: 300% 300%;
    background-image: linear-gradient(-45deg, #f8e6dc 0%, #f8e6dc 25%, #f8dddc 51%, #f8ebdc 100%);
    -webkit-animation: AnimateBG 20s ease infinite;
            animation: AnimateBG 20s ease infinite;
}

.animation-area::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(110deg, transparent 60%, #d12b30 60.1%, #d12b30);
}

.animation-circles{
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.animation-circles li{
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(0, 0, 0, 0.1);
    animation: animate 25s linear infinite;
    bottom: -150px;
    
}

.animation-circles li:nth-child(1){
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}


.animation-circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.animation-circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.animation-circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.animation-circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.animation-circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.animation-circles li:nth-child(7){
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.animation-circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.animation-circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.animation-circles li:nth-child(10){
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}

@keyframes AnimateBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes animate {

    0%{
        transform: translateY(-1000px) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }

    100%{
        transform: translateY(0) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }

}