There are no visible CSS styles detected in the email

Why do the CSS styles not appear when viewing this HTML page in an email client like Yahoo or Gmail using mutt? The table appears plain without any styling, but it displays correctly in a web browser. Is there something I am overlooking?

mutt -e "set content_type=text/html" <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b0ddd5f0ddd1d9dc9ed3dfdd">[email protected]</a> -s "Test" < Test.html

Test.html

<!DOCTYPE html>
<html>
<head>
<style>
rd{ color: red; }
gn{ color: green; }
body { background-color:#E0E0E0; font-family: helvetica;font-size: 15px;}
</style>
</head>
<body>
<table border="1" align ="left">
<tr><th>No.</th><th>Item</th></tr>
<tr><td>1</td><td><gn>abc</gn></td></tr>
<tr><td>2</td><td><rd>ghi</rd></td></tr>
</table>
</body>
</html>
htmlcssemailhtml-emailmutt

Answer №1

The best practice for styling an HTML email is by using inline CSS styles.

<!DOCTYPE html>
<html>
<body style='background-color:#F0F0F0; font-family: arial;font-size: 16px;'>
    <table border="1" align="left" style="color:blue;">
        <tr><th>ID</th><th>Product</th></tr>
        <tr><td>101</td><td><gn>xyz</gn></td></tr>
    </table>
</body>
</html>

Source: http://www.example.com/styling-html-emails

Answer №2

Creating custom tags in HTML email can be quite challenging, as even basic tags like div and p don't always behave as expected.

If you want to display two table cells properly, consider formatting them like this:

<tr><td>1</td><td style="font-family: Helvetica, Arial, sans-serif; font-size: 15px; color:#007700;">abc</td></tr>
<tr><td>2</td><td style="font-family: Helvetica, Arial, sans-serif; font-size: 15px; color:#770000;">ghi</td></tr>

To ensure better compatibility with email clients, it's important to inline your CSS styles and use the 6-digit hex color codes. Additionally, you'll need to repeat your font styles for each table cell, despite the redundancy that may introduce.

Remember to include a font stack in your styles, as assuming all readers have the specific font (like Helvetica) installed can lead to inconsistencies in appearance.

Answer №3

For valuable insights, consider checking out this tutorial Getting Started with HTML Emails on tutsplus. Although it's an older tutorial, it remains incredibly helpful.

Wishing you the best of luck!

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