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# Applying Custom CSS
To apply custom CSS, you can add a `/custom/custom.css` file in the jupyter `config` directory. You can find the path, `~/.jupyter`, to this directory by running `jupyter --paths`. There you can create a folder named `custom` and create a `custom.css` file within the folder.
## Jupyter Styling
You can use a custom CSS file to modify default Jupyter styling.
```
/* Modify Jupyter Styles */
#top-panel-wrapper, #jp-top-bar {
background-color: #aecad4!important;
}
#menu-panel-wrapper, #jp-MainMenu, #menu-panel {
background-color: #aecad4!important;
}
.jp-NotebookPanel-toolbar {
background-color: #aecad4!important;
}
.lm-MenuBar-content {
color: #02484d
}
```

## Markdown
Another potential application for custom CSS is styling markdown.
```
/* Headings */
h1,
h2 {
font-family: Impact, Charcoal, sans-serif;
font-weight: bold;
text-shadow: 2px 2px 4px #000000;
}
h1 {
font-size: 52px;
margin-bottom: 40px;
color: #10929e;
text-decoration: underline;
}
h2 {
font-size: 448px;
margin-bottom: 32px;
color: #76b4be;
text-transform: uppercase;
}
/* Block Quotes */
blockquote {
font-family: Georgia, serif;
font-size: 16px;
color: #19085c;
border-left: 8px solid #effffc;
background-color: #eafcff;
padding: 20px;
}
/* Lists */
ul,
ol {
font-family: Verdana, Geneva, sans-serif;
font-size: 18px;
color: #333333;
margin-bottom: 24px;
}
```

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