diff --git a/Step/wwwroot/assets/styles/base/buttons.less b/Step/wwwroot/assets/styles/base/buttons.less
index a54e8875..f4d5a61c 100644
--- a/Step/wwwroot/assets/styles/base/buttons.less
+++ b/Step/wwwroot/assets/styles/base/buttons.less
@@ -169,7 +169,7 @@ button.soft {
 
     img {
         width: 18px;
-
+        image-rendering: -webkit-optimize-contrast;
         display: inline;
         vertical-align: bottom;
         margin-right: 6px;
diff --git a/Step/wwwroot/assets/styles/style.css b/Step/wwwroot/assets/styles/style.css
index 41927317..40e8e73e 100644
--- a/Step/wwwroot/assets/styles/style.css
+++ b/Step/wwwroot/assets/styles/style.css
@@ -420,6 +420,7 @@ button.soft.icon {
 }
 button.soft img {
   width: 18px;
+  image-rendering: -webkit-optimize-contrast;
   display: inline;
   vertical-align: bottom;
   margin-right: 6px;