Removing borders from the WordPress Twenty Sixteen theme

June 26, 2019

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I am using the Twenty Sixteen WordPress theme.

On desktop, the black border makes the page feel cramped.

Remove the border

This applies when you are using the Twenty Sixteen theme.

Open the WordPress admin page, then go to Appearance -> Customize.

Select Additional CSS from the left menu.

Enter the following in the Additional CSS editor:

body:before, body:after {
    display: none !important;
}

.site {
    margin: 0;
}

You can see in the live preview on the right that the border is gone.

Click Publish to apply the modified theme.

Last updated on May 2, 2026