,

         "title": {"fontSize": {"value": 13}}
       }
   }
 ],
 "marks": [
  {
     "type": "text",
     "properties": {
       "enter": {
         "x": {"value": -30},
         "y": {"value": 70},
         "fill": {"value": "#000"},
         "text": {"value": "Kỷ"},
         "fontSize": {"value": 13},
         "fontWeight": {"value": "bold"},
       }
     }
   },
   {
     "type": "text",
     "properties": {
       "enter": {
         "x": {"value": -30},
         "y": {"value": 105},
         "fill": {"value": "#000"},
         "text": {"value": "Thế"},
         "fontSize": {"value": 13},
         "fontWeight": {"value": "bold"},
       }
     }
   },
   {
     "type": "text",
     "from": {"data": "Kỷ"},
     "properties": {
       "enter": {
         "x": {"scale": "x", "field": "mid"},
         "y": {"value": 50},
         "angle": {"value": -25},
         "fill": {"value": "#000"},
         "text": {"field": "label"},
         "fontSize": {"value": 13}
       }
     }
   },
   {
     "type": "rect",
     "from": {"data": "Kỷ"},
     "properties": {
       "enter": {
         "x": {"scale": "x", "field": "start"},
         "x2": {"scale": "x", "field": "end"},
         "y": {"value": 51},
         "height": {"value": 30},
         "fill": {"field": "color"}
       },
       "update": {
         "fill": {"field": "color"}
       },
       "hover": {
         "fill": {"value": "red"}
       }
     }
   },
   {
     "type": "rect",
     "from": {"data": "Thế"},
     "properties": {
       "enter": {
         "x": {"scale": "x", "field": "start"},
         "x2": {"scale": "x", "field": "end"},
         "y": {"value": 85},
         "height": {"value": 30},
         "fill": {"field": "color"}
       },
       "update": {
         "fill": {"field": "color"}
       },
       "hover": {
         "fill": {"value": "red"}
       }
     }
   },
   {
     "type": "text",
     "from": {"data": "Thế"},
     "properties": {
       "enter": {
         "x": {"scale": "x", "field": "mid"},
         "y": {"value": 105},
         "fill": {"value": "#000"},
         "text": {"field": "label"},
         "fontSize": {"value": 13}
       }
     }
   }
 ]

} }}