<!-- Google fonts -->
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Balsamiq+Sans:wght@700&display=swap" rel="stylesheet">
<a href="#" class="neon-button">Neon</a>
:root {
--clr-neon: hsl(317 100% 54%);
--clr-bg: hsl(323 21% 16%);
}
*,
*::before,
*::after {
box-sizing: border-box;
}
body {
min-height: 100vh;
display: grid;
place-items: center;
background: var(--clr-bg);
font-family: "Balsamiq Sans", cursive;
color: var(--clr-neon);
padding-right: 10rem;
}
.neon-button {
font-size: 4rem;
display: inline-block;
cursor: pointer;
text-decoration: none;
color: var(--clr-neon);
border: var(--clr-neon) 0.125em solid;
padding: 0.25em 1em;
border-radius: 0.25em;
text-shadow: 0 0 0.125em hsl(0 0% 100% / 0.3), 0 0 0.45em currentColor;
box-shadow: inset 0 0 0.5em 0 var(--clr-neon), 0 0 0.5em 0 var(--clr-neon);
position: relative;
}
.neon-button::before {
pointer-events: none;
content: "";
position: absolute;
background: var(--clr-neon);
top: 120%;
left: 0;
width: 100%;
height: 100%;
transform: perspective(1em) rotateX(40deg) scale(1, 0.35);
filter: blur(1em);
opacity: 0.7;
}
.neon-button::after {
content: "";
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
box-shadow: 0 0 2em 0.5em var(--clr-neon);
opacity: 0;
background-color: var(--clr-neon);
z-index: -1;
transition: opacity 100ms linear;
}
.neon-button:hover,
.neon-button:focus {
color: var(--clr-bg);
text-shadow: none;
}
.neon-button:hover::before,
.neon-button:focus::before {
opacity: 1;
}
.neon-button:hover::after,
.neon-button:focus::after {
opacity: 1;
}
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