How to change header background color

Hello,
Please post the following code to custom css customization located at Dashboard=> Appearance => Customize => Theme Options => Custom Css.

#site-title a {
    color: #E4E1E1;
    text-decoration: none;
}

#header-content {
    background-color: black;
}

For swift response please visit the themes official forum
https://catchthemes.com/support-forum/forum/catch-evolution-free-theme/

regards,
bplv