diff --git a/dist/main_server_template.html b/dist/main_server_template.html
index 11ca16e..d438c8e 100644
--- a/dist/main_server_template.html
+++ b/dist/main_server_template.html
@@ -91,7 +91,7 @@
 </head>
 
 <body style="word-spacing:normal;">
-  <div style="">
+  <div style>
     <!-- Header -->
     <!--[if mso | IE]><table align="center" border="0" cellpadding="0" cellspacing="0" class="" role="presentation" style="width:600px;" width="600" bgcolor="linear-gradient(90deg, rgba(0,143,233,1) 0%, rgba(0,76,235,1) 100%)" ><tr><td style="line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-->
     <div style="background:linear-gradient(90deg, rgba(0,143,233,1) 0%, rgba(0,76,235,1) 100%);background-color:linear-gradient(90deg, rgba(0,143,233,1) 0%, rgba(0,76,235,1) 100%);margin:0px auto;border-radius:8px;max-width:600px;">
@@ -109,7 +109,7 @@
                           <tbody>
                             <tr>
                               <td style="width:100px;">
-                                <img alt="Speckle" height="auto" src="http://localhost:4040/assets/logo-slab-white.png" style="border:0;display:block;outline:none;text-decoration:none;height:auto;width:100%;font-size:16px;" width="100" />
+                                <img alt="Speckle" height="auto" src="http://localhost:4040/assets/logo-slab-white.png" style="border:0;display:block;outline:none;text-decoration:none;height:auto;width:100%;font-size:16px;" width="100">
                               </td>
                             </tr>
                           </tbody>
@@ -142,10 +142,10 @@
                       <td align="left" style="font-size:0px;padding:10px 25px;word-break:break-word;">
                         <div style="font-family:Helvetica;font-size:16px;line-height:1;text-align:left;color:#000000;">
                           <p> Hello, </p>
-                          <h1> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h1>
-                          <h2> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h2>
-                          <h3> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h3>
-                          <h4> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h4>
+                          <h1 style="font-size: 2em;"> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h1>
+                          <h2 style="font-size: 1.5em;"> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h2>
+                          <h3 style="font-size: 1.17em;"> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h3>
+                          <h4 style="font-size: 1em;"> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </h4>
                           <p> Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Rutrum quisque non tellus orci ac auctor. </p>
                           <p> Here's a basic <a href="#" alt="link title">link</a>. </p>
                         </div>
diff --git a/package.json b/package.json
index 79785c7..e344121 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "speckle-email-templates",
   "packageManager": "yarn@3.2.2",
   "scripts": {
-    "serve:assets": "http-server -p 4040",
+    "serve": "http-server -p 4040",
     "build": "mjml ./src/*.mjml -o ./dist/",
     "watch": "mjml -w ./src/*.mjml -o ./dist/"
   },
diff --git a/src/main_server_template.mjml b/src/main_server_template.mjml
index 1df4d35..aeb266d 100644
--- a/src/main_server_template.mjml
+++ b/src/main_server_template.mjml
@@ -1,9 +1,25 @@
 <mjml>
   <mj-head>
     <mj-attributes>
-      <mj-all font-family="Helvetica" />
       <mj-all font-family="Helvetica" font-size="16px" />
     </mj-attributes>
+    <mj-style inline="inline">
+      h1 {
+        font-size: 2em
+      }
+
+      h2 {
+        font-size: 1.5em
+      }
+
+      h3 {
+        font-size: 1.17em
+      }
+
+      h4 {
+        font-size: 1em
+      }
+    </mj-style>
   </mj-head>
   <mj-body>
     <!-- Header -->
