class_docstr: Like Sphinx (which is like friendly, but a bit darker to enhance contrast
  on the green background) but with higher contrast colors.
code: def _pre_style(self):
      # This is used instead of the default 125% so that multiline Unicode
      # pprint output looks good
      return "line-height: 120%;"
  
file_path: sympy/doc/src/_pygments/styles.py
imports: from pygments.style import Style
  from pygments.styles.friendly import FriendlyStyle
  from pygments.styles.native import NativeStyle
  from pygments.token import Comment, Generic, Literal, Name, Number, Text
label_desc: Use image node_id 1 for calling the SphinxHighContrastStyle obj's underlying member method code with example usage: obj._pre_style() and returns: str