Box Shadow Generator
Preview a CSS box shadow with horizontal and vertical offsets, blur, spread, opacity and inset options.
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Complete guide to Box Shadow Generator
Tool Overview
The Box Shadow Generator creates CSS box-shadow values visually. Users can adjust horizontal offset, vertical offset, blur radius, spread radius, color, opacity, and whether the shadow appears outside the element or as an inset shadow.
CSS shadows are commonly used to create depth, separate cards from backgrounds, emphasize buttons, highlight modals, or build soft interface layers. Manually tuning several numeric values can require repeated trial and error, so a generator makes experimentation faster and shows the result immediately.
Why Use a Box Shadow Generator?
A good shadow is often subtle. Excessive blur, opacity, or spread can make an interface look heavy, while a carefully tuned shadow can improve visual hierarchy without distracting users. The generator lets designers and developers test combinations visually and copy a syntactically correct CSS declaration when satisfied.
Multiple shadows can also be layered on the same element to create more natural depth or special effects. This is harder to write manually because each shadow requires a separate set of values separated by commas.
Shadows should not be the only indication that an element is interactive or focused. Accessibility and usability still require clear states, sufficient contrast, labels, and appropriate focus indicators.
Use Cases
- Create a subtle shadow for cards.
- Design a deeper modal or popup shadow.
- Generate inset shadows for input or decorative effects.
- Build hover-state shadows for buttons.
- Experiment with blur, spread, and opacity values.
- Copy ready-to-use box-shadow CSS into Elementor or custom stylesheets.
Frequently asked questions
What does the horizontal offset control?
It moves the shadow left or right. Positive values generally shift it to the right, while negative values shift it to the left.
What does the vertical offset control?
It moves the shadow up or down. Positive values generally place the shadow below the element.
What is blur radius?
The blur radius controls how soft the shadow edges appear. Larger values create a more diffuse shadow.
What is spread radius?
Spread expands or contracts the shadow before blur is applied. Positive values make it larger; negative values make it smaller.
What does inset do?
The inset keyword places the shadow inside the element instead of outside it.
Can I use several shadows on one element?
Yes. CSS allows multiple box-shadow definitions separated by commas, making layered effects possible.