* {
    box-sizing: border-box;
    font-family: sans-serif;
}

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

.kugel {
    width: 10px;
    aspect-ratio: 1;
    background-color: #fff;
    border-radius: 50%;
}

.rechteck {
    background-color: #aaa;
}

#rechteck0 {
    width: 30rem;
    height: 0.5rem;
    left: 50%;
    top: 80%;
}

#rechteck1 {
    width: 30rem;
    height: 0.5rem;
    left: 30%;
    top: 50%;
}

#rechteck2 {
    width: 30rem;
    height: 0.5rem;
    left: 60%;
    top: 10%;
}

.object {
    position: absolute;
    transform: translate(-50%, -50%);
    padding: 0;
    top: 50%;
    left: 50%;
}