.wrapper{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.ball{
    width: 22px;
    height: 22px;
    border-radius: 11px;
    margin: 0 10px;
    animation: 2s bounce ease infinite;
}

.blue{
    background-color: #4285F5;
}
.red{
    background-color: #EA4436;
    animation-delay: .25s;
}
.yellow{
    background-color: #FBBD06;
    animation-delay: .5s;
}
.green{
    background-color: #34A952;
    animation-delay: .75s;
}

@keyframes bounce{
    50%{
        transform: translateY(25px);
    }
}