style.css

body {
    font-family: "Helvetica Neue", Helvetica, sans-serif;
    font-size: 14px;
    color: #333;
}


circle {
    fill: #ddd;
    cursor: pointer;
}

.frame {
    fill: none;
    stroke: #000;
}

#tooltip {
    height: 220px;
    visibility: hidden;
    margin-top: 150px;
}

#slider {
    margin-top: 12px;
    -webkit-appearance: none;
    border-radius: 5px;
    background: rgba(189, 214, 255, 0.36);
    outline: none;
}


.force {
    height: 20px;
    position: relative;
}

.force .label {
    width: 150px;
    text-align: right;
    color: black;
}

.force .bar {
    height: 19px;
    background-color: YellowGreen;
}

.force div {
    display: inline-block;
}

.button-reset {
    background-color: #06c2ff;
    border-radius: 5%;
    color: white;
    padding: 10px 5px;
    text-align: center;
    font-weight: bold;
    display: inline-block;
    font-size: 15px;
}

.button-switch-visualization {
    background-color: #ffa600;
    border-radius: 5%;
    color: white;
    padding: 10px 5px;
    text-align: center;
    font-weight: bold;
    display: inline-block;
    font-size: 15px;
}