How to decrease margin on html mail

To decrease the margin on an HTML email, you can use CSS styles to adjust the padding and margin properties of the elements within the email. Here are some common methods:

Use the margin and padding properties: You can add the following styles to your HTML email to decrease the margin and padding:
```
body {
margin: 0;
padding: 0;
}
```

table { margin: 0; padding: 0; }

td { margin: 0; padding: 0; }

This will remove any default margin and padding from the body, table, and table cells.

2. **Use the `box-sizing` property**: You can set the `box-sizing` property to `border-box` to include the padding and border in the width and height of the element, effectively reducing the margin:
```css
body {
  box-sizing: border-box;
}

table {
  box-sizing: border-box;
}

td {
  box-sizing: border-box;
}

Use the margin-collapse property: You can set the margin-collapse property to collapse to collapse the margins of adjacent elements, reducing the overall margin:
```
body {
margin-collapse: collapse;
}
```

table { margin-collapse: collapse; }

td { margin-collapse: collapse; }


4. **Use a reset CSS file**: You can include a reset CSS file in your email that sets the margin and padding to 0 for all elements. This will ensure that all elements have a consistent margin and padding.

5. **Use a pre-built email template**: Many email templates come with pre-defined styles that include margin and padding adjustments. You can use these templates as a starting point and customize them to fit your needs.

6. **Use a CSS framework**: Some CSS frameworks, such as Bootstrap, include pre-defined styles for email templates that can help you achieve the desired margin and padding.

Remember to test your email in different email clients and devices to ensure that the margin and padding adjustments work as expected.

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How to decrease margin on html mail