diff --git a/core/modules/system/system.base.css b/core/modules/system/system.base.css
index a6748de..addbf11 100644
--- a/core/modules/system/system.base.css
+++ b/core/modules/system/system.base.css
@@ -157,12 +157,9 @@ table.sticky-header {
 .progress .percentage {
   float: right; /* LTR */
 }
-.progress-disabled {
-  float: left; /* LTR */
-}
 /* Throbber */
 .ajax-progress {
-  float: left; /* LTR */
+  display: inline-block;
 }
 .ajax-progress .throbber {
   background: transparent url(../../misc/throbber.gif) no-repeat 0px -18px;
@@ -171,6 +168,9 @@ table.sticky-header {
   margin: 2px;
   width: 15px;
 }
+.ajax-progress .message {
+  padding-left: 20px;
+}
 tr .ajax-progress .throbber {
   margin: 0 2px;
 }