Revert "Box-sizing border-box for the popup div so you can add class ui-content to it without affecting the total width." Reverting because it causes conflicts with the way the widget set the width of the popup element.
Revert "Box-sizing border-box for the popup div so you can add class ui-content to it without affecting the total width."
Reverting because it causes conflicts with the way the widget set the width of the popup element.

arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,startxfr/jquery-mobile,npmcomponent/cbou-jquery-mobile,arschmitz/jquery-mobile,startxfr/jquery-mobile,arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,npmcomponent/cbou-jquery-mobile,startxfr/jquery-mobile,npmcomponent/cbou-jquery-mobile,hinaloe/jqm-demo-ja,hinaloe/jqm-demo-ja,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile