*,
*:after,
*:before {
    box-sizing: border-box;
}

.orbit {
    border-radius: 50%;
    border: 2px solid #282828;
}

.orbit-heart {
    height: 200px;
    width: 200px;
    margin: 50px;
    position: relative;
    border: none;
    background-color: #282828;
}

.orbit-inner {
    height: 300px;
    width: 300px;
    margin: 50px;
}

.orbit-middle {
    height: 400px;
    width: 400px;
    margin: 50px;
}

.orbit-outer {
    height: 500px;
    width: 500px;
    position: relative;
}

.orbit-heart__initial {
    color: white;
    font-size: 25px;
    padding: 60px 20px;
    text-align: center;
    display: block;
}

.center {
    position: absolute;
}

.pivot {
    position: absolute;
    border: 1px solid #000;
}

.pivot-inner {
    top: -150px;
}

.pivot-middle {
    top: -200px;
}

.pivot-outer {
    top: -250px;
}

.node {
    position: absolute;
    height: 70px;
    width: 70px;
    left: -35px;
    top: -35px;
    background: radial-gradient(#383838, #282828);
    border-radius: 50%;
    text-align: center;
    text-decoration: none;
    color: #09f;
    font-weight: 700;
    line-height: 1;
    padding: 25px 0;
}