需要强调在选项卡和项目符号列表中的页面上工作

On my tabs navigation, I have an orange line that is placed below the tabs. I'd like that line to go all the way across the page, but it looks like it doesn't under some of the tabs (check the orange tab). I think it based on the amount of text that is listed in the tab. How do I get the line to go across the entire page no matter how little content there is?On my tabs navigation, I have an orange line th