Add offset

Author: ai

cases/apply.json

@@ -22,13 +22,15 @@
           "type": "decl",
           "source": {
             "start": {
+              "offset": 10,
               "line": 2,
               "column": 3
             },
             "input": {
               "file": "apply.css"
             },
             "end": {
+              "offset": 57,
               "line": 5,
               "column": 4
             }
@@ -48,13 +50,15 @@
           "type": "decl",
           "source": {
             "start": {
+              "offset": 61,
               "line": 6,
               "column": 3
             },
             "input": {
               "file": "apply.css"
             },
             "end": {
+              "offset": 118,
               "line": 10,
               "column": 3
             }
@@ -65,13 +69,15 @@
       ],
       "source": {
         "start": {
+          "offset": 0,
           "line": 1,
           "column": 1
         },
         "input": {
           "file": "apply.css"
         },
         "end": {
+          "offset": 120,
           "line": 11,
           "column": 1
         }
@@ -84,6 +90,7 @@
       "file": "apply.css"
     },
     "start": {
+      "offset": 0,
       "line": 1,
       "column": 1
     }