Attach (recommended) or Link to PDF file here:
http://education.ohio.gov/getattachment/Topics/Special-Education/Preschool-Special-Education/ETR-Preschool-Planning-Form.pdf.aspx

- Web browser and its version: Firefox 89.0.1
- Operating system and its version: Windows 10 10.0.19043.1052
- PDF.js version: commit 5d251a3a3e7bfaa8fbfa07f0b7f9901eb3f999d9
- Is a browser extension: No

Steps to reproduce the problem:
1. Enable XFA support
2. Open form

What is the expected behavior? (add screenshot)
Shapes stay inside table cells
![image](https://user-images.githubusercontent.com/7104454/122572782-1252a580-d01c-11eb-9d0f-5fed46d6f2fe.png)

What went wrong? (add screenshot)
Shapes fall outside cells (among other issues)
![image](https://user-images.githubusercontent.com/7104454/122572885-2d251a00-d01c-11eb-8863-fa3b9969f0ea.png)

super[$clean](builder);
    this[$globalData].usedTypefaces.add(this.typeface);
  }
  [$toStyle]() {
    const style = toStyle(this, "fill");
    const color = style.color;
    if (color) {
      if (color === "#000000") {
        
        delete style.color;
      } else if (!color.startsWith("#")) {
        
        
        style.background = color;
        style.backgroundClip = "text";
        style.color = "transparent";
      }
    }
    if (this.baselineShift) {
      style.verticalAlign = measureToString(this.baselineShift);
    }
    
    
    style.fontKerning = this.kerningMode === "none" ? "none" : "normal";