diff --git a/core/modules/system/css/system.admin.css b/core/modules/system/css/system.admin.css
index 0058b68..f7dc9f4 100644
--- a/core/modules/system/css/system.admin.css
+++ b/core/modules/system/css/system.admin.css
@@ -188,19 +188,13 @@ a.module-link-configure {
  * Status report.
  */
 table.system-status-report td {
-  padding: 6px;
-  vertical-align: top;
 }
 table.system-status-report td:nth-child(-n+2) {
-  background-color: rgba(0, 0, 0, 0.04);
 }
 table.system-status-report td.status-icon {
   width: 16px;
-  padding-right: 0; /* LTR */
 }
 [dir="rtl"] table.system-status-report td.status-icon {
-  padding-left: 0;
-  padding-right: 6px;
 }
 table.system-status-report td.status-icon div {
   background-repeat: no-repeat;
diff --git a/core/modules/system/css/system.module.css b/core/modules/system/css/system.module.css
index 3227d50..20bcd1d 100644
--- a/core/modules/system/css/system.module.css
+++ b/core/modules/system/css/system.module.css
@@ -330,6 +330,14 @@ tr .ajax-progress-throbber .throbber {
 }
 
 /**
+ * Hide just the text visually, but keep them available for screen-readers.
+ */
+.hide-text {
+  overflow: hidden;
+  text-indent: -999em;
+}
+
+/**
  * Float clearing.
  *
  * Based on the micro clearfix hack by Nicolas Gallagher, with the :before
diff --git a/core/modules/system/templates/status-report.html.twig b/core/modules/system/templates/status-report.html.twig
index d01f163..80d7851 100644
--- a/core/modules/system/templates/status-report.html.twig
+++ b/core/modules/system/templates/status-report.html.twig
@@ -18,8 +18,8 @@
 #}
 <table class="system-status-report">
   <thead>
-    <tr class="visually-hidden">
-      <th>{{ 'Status'|t }}</th><th>{{ 'Component'|t }}</th><th>{{ 'Details'|t }}</th>
+    <tr>
+      <th class="hide-text">{{ 'Status'|t }}</th><th>{{ 'Component'|t }}</th><th>{{ 'Details'|t }}</th>
     </tr>
   </thead>
   <tbody>
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index 95daa96..66e21fa 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -682,10 +682,7 @@ th.select-all {
  * Status report table.
  */
 table.system-status-report tr {
-  border-top: 1px solid #ccc;
-  border-left: 1px solid #bebfb9;
-  border-right: 1px solid #bebfb9;
-  border-bottom: inherit;
+  border-width: 0 0 1px;
 }
 table.system-status-report tr:first-child {
   border-top: 1px solid #bebfb9;
@@ -694,17 +691,17 @@ table.system-status-report tr:last-child {
   border-bottom: 1px solid #bebfb9;
 }
 
-table.system-status-report tr.ok {
+table.system-status-report tr.ok:not(:hover) {
   color: #255b1e;
-  background-color: #e5ffe2;
+  background-color: transparent;
 }
-table.system-status-report tr.warning {
+table.system-status-report tr.warning:not(:hover) {
   color: #840;
-  background-color: #fffce5;
+  background-color: transparent;
 }
-table.system-status-report tr.error {
+table.system-status-report tr.error:not(:hover) {
   color: #8c2e0b;
-  background-color: #fef5f1;
+  background-color: transparent;
 }
 
 /**