diff --git a/core/modules/user/css/user.module.css b/core/modules/user/css/user.module.css
index 6d2c51e..cfd068e 100644
--- a/core/modules/user/css/user.module.css
+++ b/core/modules/user/css/user.module.css
@@ -21,7 +21,6 @@
  * Password strength indicator.
  */
 .password-strength {
-  width: 13em;
   float: right;  /* LTR */
 }
 [dir="rtl"] .password-strength {
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index 95daa96..9c62cbd 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -830,6 +830,13 @@ select.form-select {
   -moz-transition: border linear 0.2s, box-shadow linear 0.2s;
   transition: border linear 0.2s, box-shadow linear 0.2s;
 }
+.install-configure-form input.form-text,
+.install-configure-form input.form-email {
+  width: 100%;
+}
+.install-configure-form input[type="password"] {
+  width: auto;
+}
 input.form-text:focus,
 input.form-tel:focus,
 input.form-email:focus,