How to change color of main menu lines and remove a page heading line created

Hi,

May I ask how to how to change color of main menu lines and remove a page heading line created?
kindly refer to attached screenshot, thank you very much.

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Hi,

Please, send us a link to your website so we can see it.

Thank you

Hi, my website is below..

only best selling page has the additional page line, also i want to change the color of the menu bar lines as in my previous screenshot, thank you

Here is a code snippet to change the color and remove the page title border

.navigation-wrap {
    border-top: 1px solid rgb(213, 78, 78);
    border-bottom: 1px solid rgb(213, 78, 78);
    position: relative;
}

.page-title {
    border-bottom: none;
}

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