Pseudo and pseudon’t

<input type="email" required>
input:valid {
border: 1px solid green;
}
input:not(:focus):valid {
border: 1px solid green;
}
input:not(:focus):valid::after {
content: '✓';
}
<input type="email" required>
<span></span>
input:not(:focus):valid + span::after {
content: '✓';
}

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A web developer and author living and working in Brighton, England. Everything I post on Medium is a copy — the originals are on my own website, adactio.com

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Jeremy Keith

Jeremy Keith

A web developer and author living and working in Brighton, England. Everything I post on Medium is a copy — the originals are on my own website, adactio.com