diff --git a/src/Illuminate/Mail/resources/views/html/themes/default.css b/src/Illuminate/Mail/resources/views/html/themes/default.css
index 2483b11685a3..09e31d8787f5 100644
--- a/src/Illuminate/Mail/resources/views/html/themes/default.css
+++ b/src/Illuminate/Mail/resources/views/html/themes/default.css
@@ -219,6 +219,7 @@ img {
     padding: 0;
     text-align: center;
     width: 100%;
+    float: unset;
 }
 
 .button {