From your Shopify admin, go to Online Store > Themes.
Find the theme that you want to edit and click Customize.
Click the Custom HTML section.
From your Shopify admin, go to Online Store > Themes.
Find the theme that you want to edit and click Customize.
Click Add section > Custom HTML > Add.
Use the settings to customize your Custom HTML section.
Click Save.
Enable wide display: turn on/off displaying the section in the wider layout(still keep the gutter on the left and right).
Your custom HTML: add your CUSTOM HTML to this text box.