In the backend of your site, go to Pages > All Pages > Blog page > Edit Page > Custom Options to custom all options follow what you want.
Example: You can do follow this steps below:
Step 01. If you want to use separate custom page header, turn it ON to Enable Custom Header, otherwise the default is off.
Step 02. Sticky Header: You can Disable it or choose the style Sticky Header.
Step 03. If you don’t want to Enable Topbar, turn it on. The option will display like this image below:
You also might add the content for the Header Topbar in the Text Topbar box.
Step 05. Header Layout: You can select the Header layout for your site here.
Step 06. Header Text Color: Select the text color in the Header of your site here. You may also change the color here.
Step 07. Header Background Color: Select the Background color in the Header of your site here. You also can change the color here.
Step 08. Header Type: You can choose type of Header for your site here.