Design Animated Google Loader using HTML and CSS

/* Filename: style.css*/

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    min-height: 100vh;
    background: #0b1136;
    color: white;
}

header {
    display: flex;
    align-items: center;
    flex-direction: column;
    position: absolute;
    top: 10%;
}

header h1 {
    font-size: 4rem;
    color: #008800;
}

header p {
    margin-top: 20px;
    font-size: 2rem;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 30px;
}

main p {
    font-size: 2rem;
    position: absolute;
    top: 40%;
}


main .circle {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    background-color: #008ae6;
    box-shadow: 0 10px 20px rgb(0, 0, 0);
    animation: loader .8s ease-in-out infinite alternate;
}

.circle:nth-child(2) {
    animation-delay: -0.25s;
}

.circle:nth-child(3) {
    background: red;
    animation-delay: -0.5s;
}

.circle:nth-child(4) {
    background: yellow;
    animation-delay: -0.75s;
}

.circle:nth-child(5) {
    background: green;
    animation-delay: -1s;
}

@keyframes loader {
    from {
        transform: translateY(-10px);
    }

    to {
        transform: translateY(10px);
    }
}