Remove the lines below and above the navigation bar

I would like to know how to remove the 4 lines (seems like border) around the navigation bar.艾彼心理師|考慮會談持續或停止?一個原則/

Thank you.

hey there

Hope you are having a good day and thank you for your question :slight_smile:
Please add this CSS in appearance - customize - additional CSS

.navbar.navbar-default {
box-shadow: 0 0 0px #e3e3e3;
.cat-title {
    border-bottom: 0px solid #dedede;

Colorlib Support Team

Thank you.
That’s very helpful.

Hello there,

I am glad the solution worked for you.
Please feel free to contact us again in the future regarding any other issues.

Best Regards,