引导菜单与“更多”选项响应问题

I used bootstrap for my work. I have a bunch of menu-items on top of the page, around 15 items. Hence, my top menu doesn't adopt to the screen widths. It gets broken into the next line introduced by overflowing menus. I want to stop the menu overflow to the next line by having a I used bootstrap for my work. I have a bunch of