Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">

        @keyframes racing-square {
            0%{
                left:0px;
                top:0px;
            }
            25%{
                top:0;
                left:200px;
            }
            50%{
                left:200px;
                top:200px;
            }
            75%{
                left:0px;
                top:200px;
            }
            100%{
                left:0px;
                top:0px;
            }
        }

        .container{
            position:relative;
        }

        .container:hover{

        }

        .sample-animation{
            animation: racing-square 4s linear infinite;
        }

        .container div:nth-child(1){
            background-color: black;
        }

        .container div:nth-child(2){
            background-color: lightblue;
            animation-delay: 0.2s;
        }

        .container div:nth-child(3){
            background-color: aquamarine;
            animation-delay: 0.4s;
        }

        .container div:nth-child(4){
            background-color: darkolivegreen;
            animation-delay: 0.6s;
        }

        .container > div {
            width: 16px;
            height: 16px;
            border-radius: 100%;
            display: inline-block;
            position: absolute;
            left:0;
        }

    </style>
</head>
<body>

    <div style="width: 300px;margin:50px auto 0px" class="container">
        <div class="sample-animation"></div>
        <div class="sample-animation"></div>
        <div class="sample-animation"></div>
        <div class="sample-animation"></div>
    </div>

</body>
</html>