body {
    margin: 0px;
    font-family: "Museo Slab 300";
    color: black;
}

body a {
    cursor: pointer;
    color: #1B99E8;
}

body a:hover {
    color: #D61043;
}

.desktop .main {
    text-align: center;
    font-size: 16px;
}

.btn {
    display: inline-block;
    padding: 10px;
    margin: 10px;
    font-size: 20px;
    border: 2px solid red;
    border-radius: 10px;
    color: red;
    cursor: pointer;
}

.controls {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 150px;
}

.tracers {
    margin: 10px 0px;
    border: 2px solid blue;
    border-radius: 20px;
}

.modes {
    margin: 10px 0px;
    border: 2px solid green;
    border-radius: 20px;
}

.btn.mode.active {
    color: green;
    border: 2px solid green;
}

.btn.orbits.active {
    color: yellow;
    border: 2px solid yellow;
}

.btn.tracer.active {
    color: blue;
    border: 2px solid blue;
}