canvas {
    margin: 0;
    padding: 0%;
    position: absolute;
    z-index: 10;
}

.header-fixed #body-wrapper {
    margin: 0;
    padding: 0;
}

#body-wrapper {
    margin: 0;
    padding: 0;
}

#body-wrapper .container {
    margin: 0;
    padding: 0;
}

#start {
    margin: 0;
    padding: 0;
}

#ui {
    margin-left: 50%;
}