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You can add a wave, curve, angle, triangle, or other section break in WordPress in three ways: style the built-in Separator block, use a Gutenberg shape-divider block such as Blockenberg’s, or apply your own CSS/SVG to a block or section. Choose the first for a simple divider, the second for ready-made presets, and the third when the silhouette or placement must be bespoke.
Choose the right method
| Method | Best for | What you control | Main trade-off |
|---|---|---|---|
| Core Separator block | A line, wide rule, dots, or a divider that only needs custom styling | Alignment, style, color or gradient, spacing, CSS class, and additional CSS | Core documentation does not provide an arbitrary wave or angled-shape selector |
| Dedicated Shape Divider block | Preset waves, curves, triangles, tilt, zigzag, or mountain edges | Shape, top or bottom position, height, width, colors, and one or two layers | Adds a plugin dependency; current compatibility and maintenance must be checked |
| Custom CSS or SVG | A specific silhouette, overlap, or design-system treatment | Geometry, placement, layering, and responsive behavior | Depends on your theme’s markup, selectors, and stacking contexts |
Use the native Separator block
The core Separator block is intended to create a static break between ideas or sections. It is the lowest-maintenance option when a horizontal rule or a styled divider is enough.
Insert and configure it
- Open the page or post in the WordPress block editor.
- Click the inserter and search for Separator, or type
/separatorin an empty paragraph. - Choose the block’s alignment: center, wide, or full width, depending on how far the divider should extend.
- Select one of its available styles, such as the default line, wide line, or dots.
- Set the color or gradient, then adjust dimensions and top or bottom margins in the block settings.
Add a hook for further styling
Open the block’s Advanced settings. You can expose an HTML anchor, add an additional CSS class, and enter custom CSS where your editor and theme support it. A class lets you target this divider without changing every Separator on the site.
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This route does not turn the core block into a general shape editor. If you need a wave, curve, or diagonal edge, use a shape-divider block or custom CSS/SVG instead.
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Use a Gutenberg Shape Divider block
Blockenberg documents a Shape Divider block included with its plugin. Its documented presets include waves, curves, triangles, tilt, zigzag, and mountains, with controls for top or bottom position, height, width, background and layer colors, and one or two layers.
Typical Blockenberg workflow
- Install and activate Blockenberg.
- Open the target page in the block editor.
- Insert Shape Divider from the block inserter.
- Choose a shape and set whether it belongs on the top or bottom edge of the section.
- Adjust height and width until the shape reaches both edges at the required responsive sizes.
- Set the background and layer colors so the divider meets the adjoining section.
- Enable a second layer only when the design needs a stacked or two-tone effect.
- Save or publish, then inspect the result on narrow and wide screens.
The vendor describes this block as free. Verify its current WordPress listing, update history, compatibility with your WordPress and theme versions, and the exact controls available in your installation before making it a site-wide dependency.
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Create a custom divider with CSS or SVG
Use custom styling when a preset cannot produce the required silhouette, when the divider must overlap a section, or when you need the same geometry across a design system. The general workflow is:
- Select the block or section that owns the divider.
- Add a distinctive class in that block’s Advanced settings, such as
home-hero-divider. - Target that class in the site’s additional CSS or the theme’s stylesheet.
- Build the edge with CSS geometry or an SVG, and set the divider’s fill to the color of the section it enters.
- Define the height, width, and overflow behavior explicitly, then check the transition at each breakpoint.
WordPress block styles normally target a block’s root selector. If your theme changes the markup or selector structure, adapt the selector rather than assuming a universal rule will work. The exact SVG or CSS needed is theme-dependent, so treat any snippet as an example to test in a staging copy before publishing.
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Plan the geometry
- Height: Set the depth of the wave, curve, or angle; large values can consume important content space on phones.
- Width: A shape sometimes needs to extend beyond the section’s nominal width to prevent gaps at the edges.
- Position: Decide whether it is attached to the top edge, bottom edge, or an overlap between sections.
- Color: Match the divider’s fill to the section it visually belongs to, not merely to the section behind it.
- Layers: Use a second layer only when its color and offset are intentional; extra layers increase responsive tuning.
Keep the divider visible above section content
Overlays can hide a divider even when the shape itself is correct. A WordPress.org support discussion describes an SVG divider appearing behind a Cover block overlay. In that particular setup, the suggested fix was to give the relevant element a custom class and apply position: relative with a positive z-index.
That adjustment is not universal: ancestor stacking contexts, theme CSS, and the overlay’s own positioning can change the result. If the divider disappears, inspect the rendered markup and computed styles, then test the class on the divider and its containing section rather than adding a high z-index indiscriminately.
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Responsive and accessibility checks
- Preview the page at phone, tablet, and desktop widths. Confirm that the shape reaches both edges without creating horizontal scrolling.
- Check the transition against both light and dark neighboring backgrounds; a low-contrast edge can look like a rendering defect.
- Make sure the divider does not cover headings, buttons, forms, or focus outlines.
- Keep decorative SVGs non-interactive and avoid embedding meaningful text inside them.
- Test with your actual theme and editor-generated markup after updates, because selectors and stacking behavior can change.
When custom block development is justified
If you are building a reusable block rather than styling one page, WordPress recommends block.json as the canonical registration method for both server and client, starting with WordPress 5.8. That is a developer workflow for packaging a repeatable component, not the simplest solution for a site owner who needs one decorative divider.
Why a shape divider may seem to be removed
“Is shape divider removed in the new version?” usually means one of three things: the block belongs to a plugin that is inactive or changed, the inserter is filtered by the current editor context, or a theme update altered the markup or styles. Confirm that the plugin is active, search the inserter for the block name, and inspect the page at the affected breakpoint before replacing the implementation.
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