diff --git a/core/modules/system/css/system.maintenance.css b/core/modules/system/css/system.maintenance.css
index 61f50ea..fe7d2fc 100644
--- a/core/modules/system/css/system.maintenance.css
+++ b/core/modules/system/css/system.maintenance.css
@@ -65,7 +65,7 @@
   background-image:
     url('images/noise-low.png'),
     radial-gradient( hsl(203, 80%, 45%), hsl(203, 80%, 32%) );
-  background-repeat: repeat, no-repeat;
+  background-repeat: repeat;
   background-position: left top, 50% 50%;
   min-height: 100%;
-}
\ No newline at end of file
+}
diff --git a/core/modules/system/templates/install-page.html.twig b/core/modules/system/templates/install-page.html.twig
index d439e6c..7c32330 100644
--- a/core/modules/system/templates/install-page.html.twig
+++ b/core/modules/system/templates/install-page.html.twig
@@ -25,19 +25,15 @@
     <div class="vertically-centered__inner">
       <div id="page">
         <div id="header">
-          <div id="logo-title">
-            <div id="name-and-slogan">
-              {% if site_name %}
-                <h1 id="site-name">
-                  <span>{{ site_name }}</span>
-                </h1>
-              {% endif %}
+          {% if site_name %}
+            <h1 id="site-name">
+              <span>{{ site_name }}</span>
+            </h1>
+          {% endif %}
 
-              {% if site_slogan %}
-                <div id="site-slogan">{{ site_slogan }}</div>
-              {% endif %}
-            </div> <!-- /name-and-slogan -->
-          </div> <!-- /logo-title -->
+          {% if site_slogan %}
+            <div id="site-slogan">{{ site_slogan }}</div>
+          {% endif %}
 
           {% if header %}
             <div id="header-region">
diff --git a/core/themes/seven/install-page-rtl.css b/core/themes/seven/install-page-rtl.css
index 47df515..777399b 100644
--- a/core/themes/seven/install-page-rtl.css
+++ b/core/themes/seven/install-page-rtl.css
@@ -1,6 +1,6 @@
 /* Install theming */
 body.install-page #page {
-  padding: 0 0 1em 2em;
+  padding: 1em 0 1em 2em;
 }
 body.install-page #content {
   padding-left: 0;
@@ -22,3 +22,7 @@ body.install-page #site-name {
   border-left-color: transparent;
   border-right-color: #ebeae4;
 }
+.step-indicator {
+  left: 40px;
+  right: auto;
+}
diff --git a/core/themes/seven/install-page.css b/core/themes/seven/install-page.css
index 5eb8186..b3e82db 100644
--- a/core/themes/seven/install-page.css
+++ b/core/themes/seven/install-page.css
@@ -11,12 +11,13 @@ body.install-page {
     margin: 0;
   }
   .vertically-centered {
-    height: 100%;
+    min-height: 100%;
     display: table;
     width: 100%;
   }
   .vertically-centered__inner {
     display: table-cell;
+    padding: 70px 0;
     width: 100%;
     vertical-align: middle;
   }
@@ -57,7 +58,7 @@ body.install-page #site-name {
  }
  body.install-page #page {
    width: auto;
-   padding: 10px 40px 0;
+   padding: 10px 20px 0;
  }
 }
 .install-task-list {