diff --git a/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/_cart.less b/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/_cart.less
index bb14a3c2521b0..d3d15019f0e87 100644
--- a/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/_cart.less
+++ b/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/_cart.less
@@ -305,7 +305,7 @@
                     white-space: nowrap;
                     width: 33%;
 
-                    &:before {
+                    &[data-th]:before {
                         content: attr(data-th) ':';
                         display: block;
                         font-weight: @font-weight__bold;
diff --git a/app/design/frontend/Magento/blank/web/css/source/_extends.less b/app/design/frontend/Magento/blank/web/css/source/_extends.less
index c177f91e9e7e8..6df78859a1a80 100644
--- a/app/design/frontend/Magento/blank/web/css/source/_extends.less
+++ b/app/design/frontend/Magento/blank/web/css/source/_extends.less
@@ -846,7 +846,7 @@
                     white-space: nowrap;
                     width: 33%;
 
-                    &:before {
+                    &[data-th]:before {
                         content: attr(data-th) ':';
                         display: block;
                         font-weight: @font-weight__bold;
diff --git a/app/design/frontend/Magento/luma/Magento_Checkout/web/css/source/module/_cart.less b/app/design/frontend/Magento/luma/Magento_Checkout/web/css/source/module/_cart.less
index 4b8db9202b195..10b917635bd40 100644
--- a/app/design/frontend/Magento/luma/Magento_Checkout/web/css/source/module/_cart.less
+++ b/app/design/frontend/Magento/luma/Magento_Checkout/web/css/source/module/_cart.less
@@ -464,7 +464,7 @@
                     white-space: nowrap;
                     width: 33%;
 
-                    &:before {
+                    &[data-th]:before {
                         content: attr(data-th);
                         display: block;
                         font-weight: @font-weight__semibold;
diff --git a/app/design/frontend/Magento/luma/Magento_Sales/web/css/source/_module.less b/app/design/frontend/Magento/luma/Magento_Sales/web/css/source/_module.less
index 692f91ef463b1..a0f734b05cbd1 100644
--- a/app/design/frontend/Magento/luma/Magento_Sales/web/css/source/_module.less
+++ b/app/design/frontend/Magento/luma/Magento_Sales/web/css/source/_module.less
@@ -482,7 +482,7 @@
 
         .options-label + .item-options-container,
         .item-options-container + .item-options-container {
-            &:before {
+            &[data-th]:before {
                 content: attr(data-th) ':';
                 display: block;
                 font-weight: @font-weight__bold;
diff --git a/app/design/frontend/Magento/luma/web/css/source/_extends.less b/app/design/frontend/Magento/luma/web/css/source/_extends.less
index 760ec9ed861a9..1292188102868 100644
--- a/app/design/frontend/Magento/luma/web/css/source/_extends.less
+++ b/app/design/frontend/Magento/luma/web/css/source/_extends.less
@@ -760,7 +760,7 @@
                     white-space: nowrap;
                     width: 33%;
 
-                    &:before {
+                    &[data-th]:before {
                         content: attr(data-th) ':';
                         display: block;
                         font-weight: @font-weight__bold;