Why isn't my header border color code working?

Store Design
4

Hi @BobbyB1219 ,

You can follow the instruction below:

  1. Go to Online Store->Theme->Edit code
  2. Asset->/theme.css->paste below code at the bottom of the file:
#shopify-section-template--14567458472036__1621243260e1af0c20 {
    border-top: 15px solid #313131;
    margin-top: -15px;
}

If you feel like my answer is helpful, please mark it as a SOLUTION. Let me know if you have any further questions.