Generators · 100% free
CSS Aspect Ratio Generator
Generate CSS aspect-ratio rules for responsive media containers, modern property + fallback.
CSS
Modern (all current browsers)
css
aspect-ratio: 16 / 9;Legacy fallback (padding hack)
css
.aspect-16-9 {
position: relative;
}
.aspect-16-9::before {
content: "";
display: block;
padding-bottom: 56.2500%;
}
.aspect-16-9 > * {
position: absolute;
inset: 0;
}About this tool
Modern aspect-ratio CSS for responsive containers. Generator includes legacy padding-bottom hack fallback.
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