body, button {
    font-family: "HelveticaNeue-Light", "Helvetica Neue Light",
        "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
    text-shadow: 1px 1px rgba(40,40,40,0.4);
    font-size: 16px;
    overflow: hidden;
    margin: 0px;
}

.app {}

.app .canvas-container {
    position: absolute;
    z-index: 90;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    margin: 0;
    padding: 0;
}

.app .calib-container {
    position: absolute;
    z-index: 80;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ddd;
    border: 0;
    margin: 0;
    padding: 0;
}

.app .calib-container .message {
    text-shadow: none;
    position: absolute;
    color: black;
    font-size: 30px;
    width: 100%;
    text-align: center;
    top: 10%;
}

.app .calib-container .mound-square {
    position: absolute;
    width: 140px;
    height: 140px;
    border: 3px solid black;
    top: 50%;
    left: 50%;
    margin-left: -70px;
}

.error {
    z-index: 100;
    position: absolute;
    width: 400px;
    background: rgba(40,40,40,0.8);
    padding: 10px;
    color: #aaa;
    top: 40%;
    left: 50%;
    margin-left: -200px;
}

.cover {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    z-index: 95;
}