diff --git a/src/mailtemplates/requested-cr-approval/requested-cr-approval.html.mustache b/src/mailtemplates/requested-cr-approval/requested-cr-approval.html.mustache
index 6f51cde264..0efc8fc04c 100644
--- a/src/mailtemplates/requested-cr-approval/requested-cr-approval.html.mustache
+++ b/src/mailtemplates/requested-cr-approval/requested-cr-approval.html.mustache
@@ -1,379 +1,39 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<!DOCTYPE html
+    PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
+
 <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-    <title>*|MC:SUBJECT|*</title>
-    <style type="text/css">
-        /* /\/\/\/\/\/\/\/\/ CLIENT-SPECIFIC STYLES /\/\/\/\/\/\/\/\/ */
-        #outlook a{padding:0;} /* Force Outlook to provide a "view in browser" message */
-        .ReadMsgBody{width:100%;} .ExternalClass{width:100%;} /* Force Hotmail to display emails at full width */
-        .ExternalClass, .ExternalClass p, .ExternalClass span, .ExternalClass font, .ExternalClass td, .ExternalClass div {line-height: 100%;} /* Force Hotmail to display normal line spacing */
-        body, table, td, p, a, li, blockquote{-webkit-text-size-adjust:100%; -ms-text-size-adjust:100%;} /* Prevent WebKit and Windows mobile changing default text sizes */
-        table, td{mso-table-lspace:0pt; mso-table-rspace:0pt;} /* Remove spacing between tables in Outlook 2007 and up */
-        img{-ms-interpolation-mode:bicubic;} /* Allow smoother rendering of resized image in Internet Explorer */
-
-        /* /\/\/\/\/\/\/\/\/ RESET STYLES /\/\/\/\/\/\/\/\/ */
-        body{margin:0; padding:0;}
-        img{border:0; height:auto; line-height:100%; outline:none; text-decoration:none;}
-        body, #bodyTable, #bodyCell{height:100% !important; margin:0; padding:0; width:100% !important;}
-
-        /* /\/\/\/\/\/\/\/\/ TEMPLATE STYLES /\/\/\/\/\/\/\/\/ */
-
-        /* ========== Page Styles ========== */
-
-        #bodyCell{padding:20px;}
-        #templateContainer{width:600px;}
-
-        /**
-        * @tab Page
-        * @section background style
-        * @tip Set the background color and top border for your email. You may want to choose colors that match your company's branding.
-        * @theme page
-        */
-        body, #bodyTable{
-            background-color:#F7F7FA;
-        }
-
-
-        /**
-        * @tab Page
-        * @section email border
-        * @tip Set the border for your email.
-        */
-        #templateContainer{
-            border:2px solid #817AFE;
-            border-radius: 12px;
-            overflow: hidden;
-            padding: 48px;
-        }
-
-        /**
-        * @tab Page
-        * @section heading 1
-        * @tip Set the styling for all first-level headings in your emails. These should be the largest of your headings.
-        * @style heading 1
-        */
-        h1{
-            color:#202021 !important;
-            display:block;
-            font-family:Helvetica;
-            font-size:24px;
-            font-style:normal;
-            font-weight:bold;
-            line-height:1.4;
-            letter-spacing:normal;
-            margin-top:0;
-            margin-right:0;
-            margin-bottom:32px;
-            margin-left:0;
-        }
-
-        /**
-        * @tab Page
-        * @section heading 2
-        * @tip Set the styling for all second-level headings in your emails.
-        * @style heading 2
-        */
-        h2{
-            color:#202021 !important;
-            display:block;
-            font-family:Helvetica;
-            font-size:20px;
-            font-style:normal;
-            font-weight:bold;
-            line-height:1.4;
-            letter-spacing:normal;
-            margin-top:0;
-            margin-right:0;
-            margin-bottom:24px;
-            margin-left:0;
-            text-align:left;
-        }
-
-        /**
-        * @tab Page
-        * @section heading 3
-        * @tip Set the styling for all third-level headings in your emails.
-        * @style heading 3
-        */
-        h3{
-            color:#202021 !important;
-            display:block;
-            font-family:Helvetica;
-            font-size:16px;
-            font-style:normal;
-            font-weight:bold;
-            line-height:1.4;
-            letter-spacing:normal;
-            margin-top:0;
-            margin-right:0;
-            margin-bottom:16px;
-            margin-left:0;
-            text-align:left;
-        }
-
-        /**
-        * @tab Page
-        * @section heading 4
-        * @tip Set the styling for all fourth-level headings in your emails. These should be the smallest of your headings.
-        * @style heading 4
-        */
-        h4{
-            color:#202021 !important;
-            display:block;
-            font-family:Helvetica;
-            font-size:14px;
-            font-style:normal;
-            font-weight:normal;
-            line-height:1.4;
-            letter-spacing:normal;
-            margin-top:0;
-            margin-right:0;
-            margin-bottom:16px;
-            margin-left:0;
-            text-align:left;
-        }
-
-        /* ========== Header Styles ========== */
-
-        /**
-        * @tab Header
-        * @section header style
-        * @tip Set the background color and borders for your email's header area.
-        * @theme header
-        */
-        #templateHeader{
-            color:#6E6E70;
-        }
-
-        /**
-        * @tab Header
-        * @section header text
-        * @tip Set the styling for your email's header text. Choose a size and color that is easy to read.
-        */
-        .headerContent{
-            color:#6E6E70;
-            font-family:Helvetica;
-            font-size:20px;
-            font-weight:bold;
-            line-height:1.4;
-            padding-top:0;
-            padding-right:0;
-            padding-bottom:0;
-            padding-left:0;
-            text-align:left;
-            vertical-align:middle;
-        }
-
-        /**
-        * @tab Header
-        * @section header link
-        * @tip Set the styling for your email's header links. Choose a color that helps them stand out from your text.
-        */
-        .headerContent a:link, .headerContent a:visited, /* Yahoo! Mail Override */ .headerContent a .yshortcuts /* Yahoo! Mail Override */{
-            color:#fff;
-            font-weight:normal;
-            text-decoration:underline;
-        }
-
-
-        /* ========== Body Styles ========== */
-
-        /**
-        * @tab Body
-        * @section body style
-        * @tip Set the background color and borders for your email's body area.
-        */
-        #templateBody{
-            margin: 48px 0;
-            padding: 48px 0;
-            border-top: 1px solid #E1E1E3;
-            border-bottom: 1px solid #E1E1E3;
-        }
-
-        /**
-        * @tab Body
-        * @section body text
-        * @tip Set the styling for your email's main content text. Choose a size and color that is easy to read.
-        * @theme main
-        */
-        .bodyContent{
-            color:#202021;
-            font-family:Helvetica;
-            font-size:16px;
-            line-height:1.4;
-            text-align:left;
-        }
-
-        .bodyContent img{
-            display:inline;
-            height:auto;
-            max-width:560px;
-        }
-
-        .bodyContent a {
-            color: #615BC2;
-            text-decoration: none;
-        }
-
-        .bodyContent a:hover {
-            text-decoration: underline;
-        }
-
-        .bodyContent .buttonStyle {
-            margin-top: 32px;
-            display: inline-block;
-            padding: 13px 20px;
-            color: #fff;
-            background: #6C65E5;
-            border-radius: 4px;
-            font-size: 16px;
-            line-height: 1;
-            text-decoration: none !important;
-        }
-
-        /* ========== Footer Styles ========== */
-
-        /**
-        * @tab Footer
-        * @section footer text
-        * @tip Set the styling for your email's footer text. Choose a size and color that is easy to read.
-        * @theme footer
-        */
-        .footerContent{
-            color:#6E6E70;
-            font-family:Helvetica;
-            font-size:14px;
-            line-height:1.4;
-            text-align:left;
-        }
-
-        .footerContent a {
-            padding-right: 12px;
-            margin-right: 12px;
-            border-right: 1px solid #E1E1E3;
-            color:#615BC2;
-        }
-
-        .footerContent em {
-            display: block;
-            margin-top: 24px;
-        }
-
-        /**
-        * @tab Footer
-        * @section footer link
-        * @tip Set the styling for your email's footer links. Choose a color that helps them stand out from your text.
-        */
-        .footerContent a:link, .footerContent a:visited, /* Yahoo! Mail Override */ .footerContent a .yshortcuts, .footerContent a span /* Yahoo! Mail Override */{
-            color:#615BC2;
-            font-weight:normal;
-            text-decoration:underline;
-        }
-
-        /* /\/\/\/\/\/\/\/\/ MOBILE STYLES /\/\/\/\/\/\/\/\/ */
-
-        @media only screen and (max-width: 480px){
-            /* /\/\/\/\/\/\/ CLIENT-SPECIFIC MOBILE STYLES /\/\/\/\/\/\/ */
-            body, table, td, p, a, li, blockquote{-webkit-text-size-adjust:none !important;} /* Prevent Webkit platforms from changing default text sizes */
-            body{width:100% !important; min-width:100% !important;} /* Prevent iOS Mail from adding padding to the body */
-
-            /* /\/\/\/\/\/\/ MOBILE RESET STYLES /\/\/\/\/\/\/ */
-            #bodyCell{padding:10px !important;}
-
-            /* /\/\/\/\/\/\/ MOBILE TEMPLATE STYLES /\/\/\/\/\/\/ */
-
-            /* ======== Page Styles ======== */
-
-            /**
-            * @tab Mobile Styles
-            * @section template width
-            * @tip Make the template fluid for portrait or landscape view adaptability. If a fluid layout doesn't work for you, set the width to 300px instead.
-            */
-            #templateContainer{
-                max-width:600px !important;
-                width:100% !important;
-                padding: 32px;
-            }
-
-
-            /* ======== Body Styles ======== */
-
-            #templateBody{
-                margin: 32px 0;
-                padding: 32px 0;
-            }
-
-            /* ======== Footer Styles ======== */
-
-            .footerContent a {
-                display:block !important;
-                border-right: 0;
-                padding: 6px 0;
-            } /* Place footer social and utility links on their own lines, for easier access */
-        }
-    </style>
+    <title>Unleash change request to review</title>
+    <meta name="color-scheme" content="light">
+    <meta name="supported-color-schemes" content="light">
 </head>
-<body leftmargin="0" marginwidth="0" topmargin="0" marginheight="0" offset="0">
-<center>
-    <table align="center" border="0" cellpadding="0" cellspacing="0" height="100%" width="100%" id="bodyTable" style="background:#F7F7FA;">
-        <tr>
-            <td align="center" valign="top" id="bodyCell">
-                <!-- BEGIN TEMPLATE // -->
-                <table border="0" cellpadding="0" cellspacing="0" id="templateContainer" style="background:#FFFFFF;">
-                    <tr>
-                        <td align="center" valign="top">
-                            <!-- BEGIN HEADER // -->
-                            <table border="0" cellpadding="0" cellspacing="0" width="100%" id="templateHeader">
-                                <tr>
-                                    <td valign="top" class="headerContent">
-                                        <img src="https://cdn.getunleash.io/unleash_logo_600.png" style="width:140px;" id="headerImage" mc:label="header_image" mc:edit="header_image" mc:allowdesigner mc:allowtext />
-                                    </td>
-                                </tr>
-                            </table>
-                            <!-- // END HEADER -->
-                        </td>
-                    </tr>
-                    <tr>
-                        <td align="center" valign="top">
-                            <!-- BEGIN BODY // -->
-                            <table border="0" cellpadding="0" cellspacing="0" width="100%" id="templateBody">
-                                <tr>
-                                    <td valign="top" class="bodyContent" mc:edit="body_content">
-                                        <h1>You have been added to review {{{ changeRequestTitle }}} by {{{ requesterName }}} ({{{ requesterEmail }}}) </h1>
-                                        <p>Click <a class="changeRequestLink" href="{{{ changeRequestLink }}}" target="_blank" rel="noopener noreferrer">{{{changeRequestLink}}}</a> to review it</p>
-                                    </td>
-                                </tr>
-                            </table>
-                            <!-- // END BODY -->
-                        </td>
-                    </tr>
-                    <tr>
-                        <td align="center" valign="top">
-                            <!-- BEGIN FOOTER // -->
-                            <table border="0" cellpadding="0" cellspacing="0" width="100%" id="templateFooter">
-                                <tr>
-                                    <td valign="top" class="footerContent" mc:edit="footer_content00">
-                                        <a href="https://www.getunleash.io/blog">Unleash blog</a>
-                                        <a href="https://github.com/Unleash/unleash">Github</a>
-                                        <a href="https://slack.unleash.run">Slack community</a>
-                                        <a href="https://www.getunleash.io/support" style="border-right:0;">Help center</a>
-                                    </td>
-                                </tr>
-                                <tr>
-                                    <td valign="top" class="footerContent" mc:edit="footer_content01">
-                                        <em>Copyright &copy; {{ year }} | Bricks Software | All rights reserved.</em>
-                                    </td>
-                                </tr>
-                            </table>
-                            <!-- // END FOOTER -->
-                        </td>
-                    </tr>
-                </table>
-                <!-- // END TEMPLATE -->
-            </td>
-        </tr>
-    </table>
-</center>
+
+<body style="font-family: Arial, sans-serif;background-color: #f9f9f9;color: #333;margin: 0;padding: 12px 0;font-size:16px">
+    <div class="container"
+        style="max-width: 600px;margin: 24px auto;background-color: #ffffff;border-radius: 8px;border: 1px solid #f0f0f5;overflow: hidden;">
+        <div class="header" style="background-color: #6c65e5;padding: 20px;text-align: left;color: #ffffff;">
+            <img src="https://cdn.getunleash.io/unleash_logo_600.png" alt="Unleash" width="210px" height="60px" style="margin-top: 23px;">
+            <div style="font-size: 24px;margin: 20px 0 20px 4px;font-weight: bold;">New change request</div>
+        </div>
+        <div class="content" style="padding: 20px;text-align: left;">
+            <div class="intro" style="margin: 0 4px;">
+                <div style="font-size: 24px;margin: 20px 0;">You have been added to review change request {{{ changeRequestTitle }}} by {{{ requesterName }}} ({{{ requesterEmail }}})</div>
+                <div style="font-size: 18px;">Click <a class="changeRequestLink" href="{{{ changeRequestLink }}}" target="_blank" rel="noopener noreferrer">{{{changeRequestLink}}}</a> to review it</div>
+            </div>
+        </div>
+        <div class="footer" style="text-align: center;margin-top: 20px;padding: 20px;background: #f0f0f5;">
+            <div class="footer-links">
+
+                <a href="https://getunleash.io"
+                    style="color: #1a4049;margin: 0 10px;text-decoration: none;">getunleash.io</a> |
+                <a href="https://github.com/unleash"
+                    style="color: #1a4049;margin: 0 10px;text-decoration: none;">GitHub</a> |
+                <a href="https://twitter.com/unleash"
+                    style="color: #1a4049;margin: 0 10px;text-decoration: none;">Twitter</a>
+            </div>
+        </div>
+    </div>
 </body>
+
 </html>
+
