When using uniAlignmentClient the UnimScrollBox don´t alig n to container. I attach a small project! Real.bmp The objective is that scrollbox align with UnimPanelScreen (the container ) and all client components is 100% width. http://forums.unigui.com/index.php?/topic/13071-responsive-mobile-modal-form/&tab=comments#comment-69803 Layout.zip