The code Alternatively you can install the tachyons-debug-grid css partial and toggle the grid by adding the debug-grid class to any element. /* DEBUG GRID http://tachyons.io/docs/debug-grid/ */ .debug-grid { background:transparent url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAYAAADED76LAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyhpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2