Fixes the segfault when displayapplet loads
Fixes the segfault when displayapplet loads

Details:
bad css property usage

harmattan/meegotouch-controlpanel,harmattan/meegotouch-controlpanel,arcean/controlpanel,harmattan/meegotouch-controlpanel,arcean/controlpanel,arcean/controlpanel,arcean/controlpanel,harmattan/meegotouch-controlpanel,arcean/controlpanel