diff --git a/devtools/client/themes/compatibility.css b/devtools/client/themes/compatibility.css
index 6f3e6a130ef7..485cbecea78e 100644
--- a/devtools/client/themes/compatibility.css
+++ b/devtools/client/themes/compatibility.css
@@ -119,7 +119,7 @@
   grid-area: description;
   display: flex;
   column-gap: var(--compatibility-base-unit);
-  row-gap: calc(var(--compatibility-base-unit) / 2);
+  row-gap: var(--compatibility-base-unit);
   flex-wrap: wrap;
   justify-content: space-between;
 }
@@ -164,8 +164,10 @@
 .compatibility-unsupported-browser-list {
   list-style: none;
   padding: 0;
-  column-gap: var(--compatibility-base-unit);
+  flex: 1 0 auto;
   display: flex;
+  column-gap: 6px;
+  justify-content: end;
 }
 
 .compatibility-browser {
diff --git a/devtools/client/themes/tooltips.css b/devtools/client/themes/tooltips.css
index 0a3ec11c385e..49b7309d20f0 100644
--- a/devtools/client/themes/tooltips.css
+++ b/devtools/client/themes/tooltips.css
@@ -145,8 +145,8 @@ strong {
   width: 100%;
   list-style: none;
   padding: 0;
-  column-gap: var(--compatibility-tooltip-base-unit);
   display: flex;
+  justify-content: start;
 }
 
 /* Tooltip: query container info */