<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bubble Search Animation</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" />
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="cf_center">
    <div class="search">
        
        <div class="bubble"></div>
        <div class="bubble"></div>
        <div class="bubble"></div>
        <i class="fa fa-search"></i>
        <br><br>
    </div>
    </div>

</body>

</html>

*{
    padding: 0;
    margin: 0;
    font-family: sans-serif;
}
body{
    background: black;
    color: aqua;
}
.cf_center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.search{
    width: 80px;
    height: 80px;
    background: aqua;
    border-radius: 50%;
    text-align: center;
}
i{
    display: block;
    position: absolute;
    color: rgb(11, 100, 216);
    font-size: 40px;
    font-weight: 400;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    opacity: .6;
    transition: all .6s;
}
i:hover{
    opacity: 1;
}

.bubble{
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgb(37, 207, 250);
    border-radius: 50%;
    animation: searching 3s infinite;
}
.bubble:nth-child(1){
    animation-delay: .6s;
}
.bubble:nth-child(2){
    animation-delay: 1s;
}
.bubble:nth-child(3){
    animation-delay: 1.3s;
}

@keyframes searching {
    0%{
        transform: scale(1);
        filter: opacity(1);
    }
    98%{
        transform: scale(2);
        filter: opacity(.2);
    }
    100%{
        transform: scale(2);
        filter: opacity(.1);
    }
}
//Source Code :- https://github.com/CodingFlames/bubble-searching-animation

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External JavaScript

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