-top: 1em;
    }

    .emscripten {
        padding-right: 0;
        margin-top: auto;
        margin-left: auto;
        margin-right: auto;
        display: block
    }

    div.emscripten {
        text-align: center
    }

    canvas.emscripten {
        border: 0 none;
        background-color: #000000
    }

    .spinner {
        height: 30px;
        width: 30px;
        margin: 0;
        margin-top: 20px;
        margin-left: 20px;
        display: inline-block;
        vertical-align: top;
     