[
   {"selector":"node", "css": {
       "border-color": "magenta",
       "content": "data(id)",
       "border-width": "3px",
       "width": "40px",
       "height": "40px"
       }},

    {"selector": "edge", "css": {
        "line-color": "magenta",
        "target-arrow-shape": "triangle",
        "target-arrow-color": "magenta"
    }}
]
