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Un código de fastcloud893
1086
Baxriddinov
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HTML
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Input Validation
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CSS
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:root { --valid: hsl(140 80% 40%); --invalid: hsl(10 80% 40%); --input: hsl(0 0% 0%); } body { min-height: 100vh; display: flex; align-items: center; justify-content: center; font-weight: 100; background-color: hsl(0 0% 6%); color: hsl(0 0% 98%); } .form-group { --active: 0; container-type: inline-size; flex: 1; } form { width: 40ch; } input { --is-valid: 0; --is-invalid: 0; background: linear-gradient(var(--input), var(--input)) padding-box, linear-gradient(var(--invalid), var(--invalid)) calc((1 - var(--is-invalid)) * -100cqi) 0 / 100% 100% border-box, linear-gradient(var(--valid), var(--valid)) calc((1 - var(--is-valid)) * 100cqi) 0 / 100% 100% border-box, var(--input); border: 2px solid transparent; font-size: 1rem; background-repeat: no-repeat; max-width: 100%; font-family: "Geist Sans", "SF Pro", sans-serif; font-weight: 40; background-color: #3b4148; border-radius: 10px; color: #a9a9a9; margin-bottom: 1em; padding: 0 16px; width: 100%; outline: 0; height: 50px; } label { margin-bottom: 0.5rem; display: inline-block; padding-left: 5px; opacity: calc(var(--active) + 0.45); transition: opacity 0.5s; } .form-group:focus-within { --active: 1; } input:invalid:not(:placeholder-shown):not(:focus-visible) { --is-invalid: 1; } input:valid { --is-valid: 1; } @media (prefers-reduced-motion: no-preference) { input { transition: background-position 0.5s; } } .submitbtn { background: #2a292c; border: 0; margin-top: 0.5rem; width: 100%; height: 45px; border-radius: 10px; color: white; cursor: pointer; transition: background 0.3s ease-in-out; } .submitbtn:hover { background: #404949; } h1{ display: flex; align-items: center; justify-content: center; margin-bottom: 0.5rem; font-weight: 400; font-size: 30px; color: #a9a9a9; }
JS
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/* Replace with your JS Code (Leave empty if not needed) */