Sharepoint Column JSON Formatting Help

Hey everyone, I got most of the JSON from Reza on youtube for this approval timeline customization. The only thing is that the background color is only visible for a certain range when i scroll. Can anyone assist? I dont really know JSON. 

{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/column-formatting.schema.json",
  "elmType": "div",
  "style": {
    "position": "relative",
    "width": "100%",
    "height": "70px"
  },
  "children": [
    {
      "elmType": "div",
      "style": {
        "position": "absolute",
        "display": "flex",
        "align-items": "center",
        "justify-content": "center",
        "width": "100%",
        "height": "100%"
      },
      "children": [
        {
          "elmType": "div",
          "style": {
            "width": "100%",
            "height": "5px"
          },
          "attributes": {
            "class": "ms-bgColor-neutralSecondaryAlt"
          }
        }
      ]
    },
    {
      "elmType": "div",
      "style": {
        "position": "absolute",
        "display": "flex",
        "align-items": "center",
        "justify-content": "=if([$ApprovalStatus]=='Pending Susan\\'s Approval' || [$ApprovalStatus]=='Pending VP of Finance Approval' || [$ApprovalStatus]=='Pending Executive Approval','center', if([$ApprovalStatus]=='Pending Submission','left','flex-end'))",
        "width": "100%",
        "height": "100%"
      },
      "children": [
        {
          "elmType": "div",
          "style": {
            "width": "25px",
            "height": "25px",
            "border-radius": "50%",
            "cursor": "pointer"
          },
          "attributes": {
            "class": "=if([$ApprovalStatus]=='Rejected','ms-bgColor-red',if([$ApprovalStatus]=='Pending Susan\\'s Approval','ms-bgColor-yellow', if([$ApprovalStatus]=='Pending Executive Approval','ms-bgColor-yellow', if([$ApprovalStatus]=='Pending VP of Finance Approval','ms-bgColor-yellow', if([$ApprovalStatus]=='Approved','ms-bgColor-green','ms-bgColor-blue')))))"
          },
          "customCardProps": {
            "directionalHint": "rightCenter",
            "openOnEvent": "click",
            "isBeakVisible": true,
            "formatter": {
              "elmType": "div",
              "style": {
                "width": "300px",
                "height": "300px",
                "padding": "10px 20px 10px 20px",
                "background-color": "#E6E6E3"
              },
              "children": [
                {
                  "elmType": "div",
                  "txtContent": "=if([$ApprovalHistory]!='',[$ApprovalHistory],'No History Available')",
                  "style": {
                    "width": "100%",
                    "height": "100%"
                  }
                }
              ]
            }
          }
        }
      ]
    }
  ]
}