<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Invoice Paid Email </title>
  <style>
    body {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      background-color: #f9f9f9;
      background-image: linear-gradient(90deg, #e3ffe7 0%, #d9e7ff 100%);
      margin: 0;
      padding: 0;
    }
         
    .email-container {
      max-width: 600px;
      margin: 20px auto;
      background: #fffff