如何在sphinx-build生成的HTML中展示警告框？禁用sectnum等指令

Got it, let's tackle this. To build eye-catching alert boxes just like the ones on the Sphinx official docs—without using sectnum, header, or footer directives—you can leverage Sphinx's built-in admonition directives. These are purpose-built for callouts and work perfectly out of the box. Here's a step-by-step breakdown:

1. Use Sphinx's Native Admonition Directives #

Sphinx comes with several pre-defined admonition types, each with default styling that naturally draws attention. Just drop these into your reStructuredText files:

.. note::
   This is a standard note box, great for sharing helpful tips users shouldn't overlook.

.. warning::
   Heads up! This box highlights critical info that requires immediate user attention.

.. attention::
   Important reminder here—this style stands out more than a basic note.

.. danger::
   High-priority alert for potential risks, breaking changes, or irreversible actions.

When you run sphinx-build, these will render as styled boxes in your HTML output—each with distinct colors and icons to differentiate their importance, exactly like the Sphinx docs.

2. Customize Styling (Optional) #

If you want the boxes to match the Sphinx docs' exact look (or your own brand), you can override the default CSS:

1. Create a custom CSS file (e.g., custom_admonitions.css) in your Sphinx project's _static folder.
2. Add this file to your conf.py to load it into the build:

   html_css_files = [
       'custom_admonitions.css',
   ]
   

3. Add custom styles to the CSS file. For example, to replicate the Sphinx docs' clean, bordered aesthetic:

   /* Style for note boxes */
   .admonition.note {
       background-color: #f0f7fb;
       border-left: 4px solid #3498db;
       padding: 1em 1.5em;
       margin: 1.5em 0;
       border-radius: 3px;
   }
   
   .admonition.note .admonition-title {
       color: #2980b9;
       font-weight: 700;
       margin-top: 0;
   }
   
   /* Style for warning boxes */
   .admonition.warning {
       background-color: #fff3cd;
       border-left: 4px solid #ffc107;
       padding: 1em 1.5em;
       margin: 1.5em 0;
       border-radius: 3px;
   }
   
   .admonition.warning .admonition-title {
       color: #856404;
       font-weight: 700;
       margin-top: 0;
   }
   

3. Key Reminders #

• You won't need to touch sectnum, header, or footer directives here—admonitions are completely independent of these features, so just avoid including those directives in your docs.
• Admonitions work with all standard Sphinx themes, no extra plugins or extensions required.

内容的提问来源于stack exchange，提问作者user9712230