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A real <button> carrying .btn-success-morph — the preview is the stylesheet, not a picture of it.
States
default
hover
focus-visible
active
disabled
not declared
.btn-success-morph {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 12px 30px;
border: none;
border-radius: 10px;
background: #4f46e5;
color: #eef2ff;
font-family: inherit;
font-size: 15px;
font-weight: 600;
cursor: pointer;
transition: background 0.3s ease, padding 0.3s ease, transform 0.1s ease;
}
.btn-success-morph::after {
content: "✓";
display: inline-block;
width: 0;
margin-left: 0;
overflow: hidden;
opacity: 0;
transform: translateX(8px);
transition: width 0.3s ease, margin-left 0.3s ease, opacity 0.25s ease, transform 0.3s ease;
}
.btn-success-morph:hover {
background: #16a34a;
padding-left: 20px;
padding-right: 20px;
}
.btn-success-morph:hover::after {
width: 1em;
margin-left: 8px;
opacity: 1;
transform: translateX(0);
}
.btn-success-morph:active {
background: #15803d;
transform: translateY(1px);
}
.btn-success-morph:focus-visible {
outline: 2px solid #4f46e5;
outline-offset: 3px;
}
Self-contained · MIT · no build step.btn-success-morph
Implementation notes
About the Success Morph CSS button
Success Morph uses a clear, high-contrast treatment for primary product actions. Its rounded corners balance product-friendly softness with a clear boundary. The morphing, icon fx details are included in the copy-paste CSS.
Usage
<button class="btn-success-morph">Submit</button>Pair it with the CSS tab above — the class is self-contained.
Before shipping: keep the semantic button element, verify contrast on your actual background and add a visible
:focus-visible state. If you retain motion, include a prefers-reduced-motion override.- Built with
- HTML + plain CSS
- Shape
- Rounded
- Exports
- CSS, Tailwind, React
- License
- MIT · commercial use
Complete the look
Build the interface around this button
We matched its palette, surface, geometry and motion to a complete UI system — like composing an outfit, not browsing unrelated parts.
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