Website navigation bar drop downs too sensitive

We are working in a LAMP environment. The drop downs are very sensitive. It is hard to keep the drop down open with the mouse as the slightest movement moves the mouse pointer off the drop down and it closes. We use a Login Tab drop down to login and it is difficult to keep the drop down open and enter the login credentials. We will not pay 100% up front milestone. Must speak excellent English. Must be completed in a few days. Must start NOW. Must provide daily updates. Also adherence to our coding standards.