diff --git a/api/templates/clean_document_job_mail_template-US.html b/api/templates/clean_document_job_mail_template-US.html
index b26e494f8..97f3997c9 100644
--- a/api/templates/clean_document_job_mail_template-US.html
+++ b/api/templates/clean_document_job_mail_template-US.html
@@ -45,8 +45,7 @@
       line-height: 120%; /* 28.8px */
     }
     .button {
-      display: inline-block;
-      width: 480px;
+      display: block;
       padding: 8px 12px;
       color: white;
       text-decoration: none;
diff --git a/api/templates/invite_member_mail_template_en-US.html b/api/templates/invite_member_mail_template_en-US.html
index da2924286..a07c5f4b1 100644
--- a/api/templates/invite_member_mail_template_en-US.html
+++ b/api/templates/invite_member_mail_template_en-US.html
@@ -12,7 +12,7 @@
     }
     .container {
       width: 504px;
-      height: 444px;
+      min-height: 444px;
       margin: 40px auto;
       padding: 0 48px;
       background-color: #fcfcfd;
@@ -31,8 +31,7 @@
       height: auto;
     }
     .button {
-      display: inline-block;
-      width: 480px;
+      display: block;
       padding: 8px 12px;
       color: white;
       text-decoration: none;
diff --git a/api/templates/invite_member_mail_template_zh-CN.html b/api/templates/invite_member_mail_template_zh-CN.html
index c7c321bf6..27709a3c6 100644
--- a/api/templates/invite_member_mail_template_zh-CN.html
+++ b/api/templates/invite_member_mail_template_zh-CN.html
@@ -28,11 +28,10 @@
 
     .header img {
       max-width: 63px;
-      height: auto;
+      min-height: auto;
     }
     .button {
-      display: inline-block;
-      width: 480px;
+      display: block;
       padding: 8px 12px;
       color: white;
       text-decoration: none;
diff --git a/api/templates/without-brand/invite_member_mail_template_en-US.html b/api/templates/without-brand/invite_member_mail_template_en-US.html
index f6b1966c5..fc7f3679b 100644
--- a/api/templates/without-brand/invite_member_mail_template_en-US.html
+++ b/api/templates/without-brand/invite_member_mail_template_en-US.html
@@ -12,7 +12,7 @@
     }
     .container {
       width: 504px;
-      height: 444px;
+      min-height: 444px;
       margin: 40px auto;
       padding: 0 48px;
       background-color: #fcfcfd;
@@ -31,8 +31,7 @@
       height: auto;
     }
     .button {
-      display: inline-block;
-      width: 480px;
+      display: block;
       padding: 8px 12px;
       color: white;
       text-decoration: none;
diff --git a/api/templates/without-brand/invite_member_mail_template_zh-CN.html b/api/templates/without-brand/invite_member_mail_template_zh-CN.html
index fd2d6b873..e787c9091 100644
--- a/api/templates/without-brand/invite_member_mail_template_zh-CN.html
+++ b/api/templates/without-brand/invite_member_mail_template_zh-CN.html
@@ -12,7 +12,7 @@
     }
     .container {
       width: 504px;
-      height: 444px;
+      min-height: 444px;
       margin: 40px auto;
       padding: 0 48px;
       background-color: #fcfcfd;
@@ -31,8 +31,7 @@
       height: auto;
     }
     .button {
-      display: inline-block;
-      width: 480px;
+      display: block;
       padding: 8px 12px;
       color: white;
       text-decoration: none;