Error on color box click

Description

Traceback (most recent call last):
  File "...\sublime3\sublime_plugin.py", line 812, in run_
    return self.run(edit, **args)
  File "color_helper in ...\sublime3\Data\Installed Packages\ColorHelper.sublime-package", line 983, in run
  File "color_helper in ...\sublime3\Data\Installed Packages\ColorHelper.sublime-package", line 891, in show_color_info
  File "color_helper in ...\sublime3\Data\Installed Packages\ColorHelper.sublime-package", line 553, in format_info
  File "...\sublime3\Data\Packages\mdpopups\st3\mdpopups\__init__.py", line 458, in color_box
    border_size, check_size, max_colors, alpha, border_map
  File "...\sublime3\Data\Packages\mdpopups\st3\mdpopups\colorbox.py", line 250, in color_box
    base64.b64encode(color_box_raw(*args, **kwargs)).decode('ascii')
  File "...\sublime3\Data\Packages\mdpopups\st3\mdpopups\colorbox.py", line 97, in color_box_raw
    assert height - (border_size * 2) >= 0, "Border size too big!"
AssertionError: Border size too big!

Support Info

• Sublime Text Build 3152 (64bit, portable)
• Win10 Pro x64 Version 1709
• default "dpi_scale": 1.0, but HighDPI screen
• ColorHelper v2.5.1
• Install via PC: True
• mdpopups ver.: 3.0.2
• markdown ver.: 2.6.9
• pygments ver.: 2.1a0
• jinja2 ver.: 2.8

Steps to Reproduce Issue

1. Open a Color Scheme (*.tmTheme) file.
2. Click on a color box.

[facelessuser]

Box size is calculated by line height. I was curious how small a font you were using. I need a safe minimum size.

[facelessuser]

Low end of image calculation will now be capped to prevent this issue