MAGETWO-74208: Header issue when resizing in Internet Explorer

Author: DianaRusin

app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/main/_actions-bar.less

@@ -44,7 +44,6 @@
 
 .page-actions {
     @_page-action__indent: 1.3rem;
-    float: right;
 
     .page-main-actions & {
         &._fixed {