Dark line below header

hi everybody,

i downloaded origin theme but when i look at origin site of origin theme

http://ww.wp.xz.cn/themes/origin

below header and navigation bar is black line a and caption and my page is without line and caption – here is my page:

http://test.questionsaskemployers.com/

please could you say me where is the problem and help me how can i fix it? thanks a lot

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