Removing the thin white line under the header

[RheaKalo]

Hi there, 

can anyone help with advise as to how I can remove the thin line under the header between header and main bit?

rheakalo.com

[Rahul_dhiman]

Hello @RheaKalo 
Go to online store ---------> themes --------------> actions ------> edit code-------> theme.scss.css
add this code at the end of the file.

.border-bottom {
border-bottom: 0px !important;
}

result

If this was helpful, hit the like button and accept the solution.
Thanks

[antoninravier]

Comment puis je faire si je n'ai pas de theme .css, je suis sur le theme Dawn ... Merci

Voici la page 

https://www.bellora-bijoux.com/pages/participer-au-calendrier-de-lavent 

J'ai le même problème de page 

 

 

[ZestardTech]

Hi @RheaKalo 

1. In your Shopify Admin go to online store > themes > actions > edit code
2. Find Asset > theme.scss.css and paste this at the bottom of the file:

nav#AccessibleNav {
border-bottom: none;
}