diff --git a/core/themes/olivero/css/layout/region-content-below.css b/core/themes/olivero/css/layout/region-content-below.css
index 83114886a675b98429223b9da92a704a0b3543ec..feee2289b73bc1c45233d3b7ef7cd2a296457ae5 100644
--- a/core/themes/olivero/css/layout/region-content-below.css
+++ b/core/themes/olivero/css/layout/region-content-below.css
@@ -44,7 +44,7 @@
 
 @media (min-width: 43.75rem) {
     .region--content-below > * {
-      flex-basis: calc(33.33% - 1.4985rem)
+      flex-basis: calc(33.33% - 1.50075rem)
     }
 
       [dir="ltr"] .region--content-below > *:nth-child(2n),[dir="ltr"] 
diff --git a/core/themes/olivero/css/layout/region-content-below.pcss.css b/core/themes/olivero/css/layout/region-content-below.pcss.css
index 8942d1c86596bf9598b0fb5821da443c20fda087..ab12c6d34796d7b1624d4f5fbaf2ce729eab71d0 100644
--- a/core/themes/olivero/css/layout/region-content-below.pcss.css
+++ b/core/themes/olivero/css/layout/region-content-below.pcss.css
@@ -25,7 +25,7 @@
 
   @media (--md) {
     & > * {
-      flex-basis: calc(33.33% - (var(--grid-gap--md) * 0.666));
+      flex-basis: calc(33.33% - (var(--grid-gap--md) * 0.667));
 
       &:nth-child(2n),
       &:last-child {