#stats {
    position: absolute;
    top: 0;
    left: 0;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    overflow: hidden;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.visualizer {
    width: 100%;
    height: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    background-color: #353535;
}

.renderer {
    background-color: #000;
    width: 50%;
    height: 50%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-bottom: none;
    position: relative;
    overflow: hidden;
}

#r0 {
    border-top: 2px solid #03a9f4;
}

#r1 {
    border-top: 2px solid #f44336;
}

#r2 {
    border-top: 2px solid #ffeb3b;
}

#r3 {
    border-top: 2px solid #8bc34a;
}

#my-gui-container {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 1;
}