diff --git a/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day10/email/body.html b/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day10/email/body.html
index 0799af8c58..5d103285b4 100644
--- a/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day10/email/body.html
+++ b/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day10/email/body.html
@@ -46,16 +46,15 @@
                 style="
                     color: #ffffff;
                     text-decoration: none;
-                    border-radius: .3rem;
-                    -webkit-border-radius: .3rem;
-                    -moz-border-radius: .3rem;
+                    border-radius: 4px;
+                    -webkit-border-radius: 4px;
+                    -moz-border-radius: 4px;
                     background-color: #005686;
-                    border-top: .15rem solid #005686;
-                    border-bottom: .15rem solid #005686;
-                    border-right: .15rem solid #005686;
-                    border-left: .15rem solid #005686;
+                    border-top: 12px solid #005686;
+                    border-bottom: 12px solid #005686;
+                    border-right: 50px solid #005686;
+                    border-left: 50px solid #005686;
                     display: inline-block;
-                    padding: 1rem 5rem;
                 ">
                     {# old email clients require the use of the font tag :( #}
                     <font color="#ffffff"><b>{% trans "Keep learning" %}</b></font>
@@ -74,16 +73,13 @@
                        style="
                         color: #1e8142;
                         text-decoration: none;
-                        border-radius: .3rem;
-                        -webkit-border-radius: .3rem;
-                        -moz-border-radius: .3rem;
+                        border-radius: 4px;
+                        -webkit-border-radius: 4px;
+                        -moz-border-radius: 4px;
                         background-color: #FFFFFF;
-                        border-top: .15rem solid #1e8142;
-                        border-bottom: .15rem solid #1e8142;
-                        border-right: .15rem solid #1e8142;
-                        border-left: .15rem solid #1e8142;
+                        border: 3px solid #1e8142;
                         display: inline-block;
-                        padding: 1rem 6.1rem;
+                        padding: 8px 65px;
                         ">
                         <font color="#1e8142"><b>{% trans "Upgrade Now" %}</b></font>
                     </a>
diff --git a/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day3/email/body.html b/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day3/email/body.html
index bee7b4e05a..40122bb22b 100644
--- a/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day3/email/body.html
+++ b/openedx/core/djangoapps/schedules/templates/schedules/edx_ace/recurringnudge_day3/email/body.html
@@ -46,16 +46,15 @@
                 style="
                     color: #ffffff;
                     text-decoration: none;
-                    border-radius: .3rem;
-                    -webkit-border-radius: .3rem;
-                    -moz-border-radius: .3rem;
+                    border-radius: 4px;
+                    -webkit-border-radius: 4px;
+                    -moz-border-radius: 4px;
                     background-color: #005686;
-                    border-top: .15rem solid #005686;
-                    border-bottom: .15rem solid #005686;
-                    border-right: .15rem solid #005686;
-                    border-left: .15rem solid #005686;
+                    border-top: 12px solid #005686;
+                    border-bottom: 12px solid #005686;
+                    border-right: 50px solid #005686;
+                    border-left: 50px solid #005686;
                     display: inline-block;
-                    padding: 1rem 5rem;
                 ">
                     {# old email clients require the use of the font tag :( #}
                     <font color="#ffffff"><b>{% trans "Start learning now" %}</b></font>
@@ -73,16 +72,13 @@
                        style="
                         color: #1e8142;
                         text-decoration: none;
-                        border-radius: .3rem;
-                        -webkit-border-radius: .3rem;
-                        -moz-border-radius: .3rem;
+                        border-radius: 4px;
+                        -webkit-border-radius: 4px;
+                        -moz-border-radius: 4px;
                         background-color: #FFFFFF;
-                        border-top: .15rem solid #1e8142;
-                        border-bottom: .15rem solid #1e8142;
-                        border-right: .15rem solid #1e8142;
-                        border-left: .15rem solid #1e8142;
+                        border: 3px solid #1e8142;
                         display: inline-block;
-                        padding: 1rem 6.1rem;
+                        padding: 8px 65px;
                         ">
                         <font color="#1e8142"><b>{% trans "Upgrade Now" %}</b></font>
                     </a>