/*
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##     ##  ##   ##  ##     ##    ##     ##  ##       ##     ## ##       ##       ##       
########  ##     ## ########     ##     ##  ##       ##     ## ##       ######    ######  
##        ######### ##   ##      ##     ##  ##       ##     ## ##       ##             ## 
##        ##     ## ##    ##     ##     ##  ##    ## ##     ## ##       ##       ##    ## 
##        ##     ## ##     ##    ##    ####  ######   #######  ######## ########  ######  
*/

.particules{
    display: block;
    width: 180px;
    height: 150px;
    position: relative;
    left: 63px;
    top: 77px;
    border-radius: 50%;
    z-index: 0;
}
.particules--animate {
    -webkit-appearance: none;
    appearance: none;
    transition: transform ease-in 0.1s, box-shadow ease-in 0.25s;
}
.particules--animate:focus {
    outline: 0;
}
.particules--animate:before,
.particules--animate:after {
    position: absolute;
    content: '';
    display: block;
    width: 140%;
    height: 100%;
    left: -20%;
    z-index: -1000;
    transition: all ease-in-out 0.5s;
    background-repeat: no-repeat;
}
/* override background-image to customize particules color*/
.particules--animate:before {
    animation: topBubbles ease-in-out 0.75s forwards;
    top: -75%;
    background-image: 
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, transparent 20%, #fff 20%, transparent 30%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, transparent 10%, #fff 15%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%);
    background-size: 10% 10%, 20% 20%, 15% 15%, 20% 20%, 18% 18%, 10% 10%, 15% 15%, 10% 10%, 18% 18%;
    }
.particules--animate:after {
    animation: bottomBubbles ease-in-out 0.75s forwards;
    bottom: -75%;
    background-image:
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, transparent 10%, #fff 15%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%),
        radial-gradient(circle, #fff 20%, transparent 20%);
    background-size: 15% 15%, 20% 20%, 18% 18%, 20% 20%, 15% 15%, 10% 10%, 20% 20%;
}

@keyframes topBubbles {
    0% {
        background-position: 5% 90%, 10% 90%, 10% 90%, 15% 90%, 25% 90%, 25% 90%, 40% 90%, 55% 90%, 70% 90%;
    }
    50% {
        background-position: 0% 80%, 0% 20%, 10% 40%, 20% 0%, 30% 30%, 22% 50%, 50% 50%, 65% 20%, 90% 30%;
    }
    100% {
        background-position: 0% 70%, 0% 10%, 10% 30%, 20% -10%, 30% 20%, 22% 40%, 50% 40%, 65% 10%, 90% 20%;
        background-size: 0% 0%, 0% 0%,  0% 0%,  0% 0%,  0% 0%,  0% 0%;
    }
}
@keyframes bottomBubbles {
    0% {
        background-position: 10% -10%, 30% 10%, 55% -10%, 70% -10%, 85% -10%, 70% -10%, 70% 0%;
    }
    50% {
        background-position: 0% 80%, 20% 80%, 45% 60%, 60% 100%, 75% 70%, 95% 60%, 105% 0%;
    }
    100% {
        background-position: 0% 90%, 20% 90%, 45% 70%, 60% 110%, 75% 80%, 95% 70%, 110% 10%;
        background-size: 0% 0%, 0% 0%,  0% 0%,  0% 0%,  0% 0%,  0% 0%;
    }
}