diff --git a/web_src/css/helpers.css b/web_src/css/helpers.css
index cf2e73572c..64621ac906 100644
--- a/web_src/css/helpers.css
+++ b/web_src/css/helpers.css
@@ -21,10 +21,7 @@ Gitea's private styles use `g-` prefix.
 
 .g-table-auto-ellipsis td.auto-ellipsis span {
   position: absolute;
-  left: 0;
-  right: 0;
-  top: 0;
-  bottom: 0;
+  inset: 0;
   padding: inherit;
   white-space: nowrap;
   overflow: hidden;
diff --git a/web_src/css/markup/content.css b/web_src/css/markup/content.css
index 419868a461..cb7823c05f 100644
--- a/web_src/css/markup/content.css
+++ b/web_src/css/markup/content.css
@@ -204,10 +204,7 @@
 
 .markup input[type="checkbox"]::after {
   position: absolute;
-  left: 0;
-  top: 0;
-  bottom: 0;
-  right: 0;
+  inset: 0;
   pointer-events: none;
   background: var(--color-text);
   mask-size: cover;