#wrapper {
    grid-template-rows: auto auto 1fr auto;
}

#canvasHolder {
    position: relative;
    overflow: hidden;
    margin: 0px 12px 12px 12px;
}

.premium #canvasHolder {
    margin-bottom: calc(12px + var(--saib));
}

#main_canvas {
    position: absolute;
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
}