From 141a0063ad4c7b755abb849f23992cb7f68efeaa Mon Sep 17 00:00:00 2001
From: Jonathan Keller <keller.jonathan@gmail.com>
Date: Mon, 6 Nov 2017 22:38:05 -0800
Subject: [PATCH] Adding custom CSS to the internal SVG stylesheet

---
 index.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index b95ffda..ef676d4 100644
--- a/index.js
+++ b/index.js
@@ -70,6 +70,7 @@ backgroundColor = backgroundColor || 'white'
 ;(async () => {
   const browser = await puppeteer.launch()
   const page = await browser.newPage()
+  page.on('console', msg => console.log('PAGE LOG:', ...msg.args));
   page.setViewport({ width, height })
   await page.goto(`file://${path.join(__dirname, 'index.html')}`)
 
@@ -78,7 +79,7 @@ backgroundColor = backgroundColor || 'white'
   const definition = fs.readFileSync(input, 'utf-8')
 
   var myconfig, myCSS
-  
+
   if (configFile) {
     myconfig = JSON.parse(fs.readFileSync(configFile, 'utf-8'))
   }
@@ -111,6 +112,11 @@ backgroundColor = backgroundColor || 'white'
     }
 
     window.mermaid.init(undefined, container)
+
+    if (myCSS) {
+      window.document.getElementById('mermaidChart0').getElementsByTagName('style')[0].innerHTML = myCSS;
+    }
+
   }, definition, theme, myconfig, myCSS)
 
   if (output.endsWith('svg')) {