diff --git a/core/themes/seven/css/components/tabs.css b/core/themes/seven/css/components/tabs.css
index 1aade551562fb97ae212e244477db234f50afb48..23c4a48de453f5c6ca2c81dce08c328586da9644 100644
--- a/core/themes/seven/css/components/tabs.css
+++ b/core/themes/seven/css/components/tabs.css
@@ -21,8 +21,8 @@
 /* Span the full width of the viewport */
 .content-header .is-horizontal .tabs:before,
 .content-header .is-collapse-enabled .tabs:before {
-  left: -99em;
-  right: -99em;
+  left: -2.5em;
+  right: -2.5em;
 }
 
 /**
diff --git a/core/themes/seven/css/layout/layout.css b/core/themes/seven/css/layout/layout.css
index 2744910fe1aedcaf9343b5b7d9f95507f9b96750..eb7c2bf0b365cc0eda974595c24ab640dc825dcc 100644
--- a/core/themes/seven/css/layout/layout.css
+++ b/core/themes/seven/css/layout/layout.css
@@ -4,10 +4,3 @@
 .page-content {
   margin-bottom: 80px;
 }
-
-@media all and (min-width: 75em) {
-  .layout-container {
-    width: 1170px;
-    margin: 0 auto;
-  }
-}