Gradient Button

ankushsingh
Jan 13, 2026 9
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<main>
  <button>
    <div>
      <span>Connect today!</span>
    </div>
  </button>
</main>

@font-face {
  font-family: "Mona Sans";
  src: url("https://assets.codepen.io/64/Mona-Sans.woff2")
      format("woff2 supports variations"),
    url("https://assets.codepen.io/64/Mona-Sans.woff2")
      format("woff2-variations");
  font-weight: 100 1000;
}

/* ---------- CUSTOM PROPERTIES ---------- */
@layer properties {
  @property --bg-position {
    syntax: "<number>";
    inherits: true;
    initial-value: 100;
  }
  @property --after-blur {
    syntax: "<number>";
    inherits: true;
    initial-value: 0;
  }
  @property --after-opacity {
    syntax: "<number>";
    inherits: true;
    initial-value: 1;
  }
  @property --before-opacity {
    syntax: "<number>";
    inherits: true;
    initial-value: 0.3;
  }
  @property --btn-offset {
    syntax: "<number>";
    inherits: true;
    initial-value: 1;
  }
  @property --btn-scale {
    syntax: "<number>";
    inherits: true;
    initial-value: 1;
  }
}

:root {
  --debug: 0;
  --body-bg: hsl(0, 0%, 6%);
  --btn-bg: hsl(0, 0%, 0%);
  --btn-border-width: 1.5;
  --btn-offset: 1;
  --btn-scale: 1;

  --after-bg: linear-gradient(to right, rgb(0 0 0));
  --after-blur: 10;
  --after-opacity: 1;
  --after-pos-y: 10;
  --before-opacity: 0.3;

  --bg-position: 100;

  --color-white: hsl(0, 0%, 100%);
  --color-cyan: hsl(180, 100%, 50%);
  --color-blue: hsl(240, 100%, 50%);
  --color-purple: hsl(270, 100%, 50%);
  --color-pink: hsl(330, 40%, 70%);
  --color-red: hsl(0, 100%, 50%);
  --color-yellow: hsl(60, 100%, 50%);
  --color-lime: hsl(90, 100%, 75%);
  --color-orange: oklch(69.1% 0.223 36.85);
}

@supports (color: color(display-p3 0 0 0)) {
  :root {
    --color-white: color(display-p3 1 1 1);
    --color-cyan: color(display-p3 0 1 1);
    --color-blue: color(display-p3 0 0 1);
    --color-purple: color(display-p3 0.5 0 1);
    --color-pink: color(display-p3 1 0.4 0.7);
    --color-red: color(display-p3 1 0 0);
    --color-yellow: color(display-p3 1 1 0);
    --color-lime: color(display-p3 0.75 1 0);
    --color-orange: color(display-p3 0.96 0.39 0.2);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  outline: calc(var(--debug) * 1px) dotted red;
  outline-offset: -1px;
}

html,
body,
main {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  background: var(--body-bg);
  font-family: "Mona Sans", sans-serif;
  padding: 0 6em;
}

main {
  display: grid;
  place-items: center;
}

/* ---------- BUTTON ---------- */
main button {
  all: unset;
  background: transparent;
  border: 0;
  transform: scale(var(--btn-scale));
  transition:
    --bg-position 3s ease,
    --after-blur 0.3s ease,
    --before-opacity 0.3s ease,
    --btn-offset 0.3s ease,
    --btn-scale 0.2s cubic-bezier(.76,-0.25,.51,1.13);
}

main button > div {
  padding: 0.5em 1.2em;
  background: var(--btn-bg);
  color: white;
  font-weight: bold;
  border-radius: 8px;
  font-size: 22px;
  position: relative;
  cursor: pointer;
}

main button > div:not(:hover) {
  transition: --after-blur 0.3s ease;
}

main button > div > span {
  background: linear-gradient(
      to right,
      var(--color-white),
      var(--color-cyan),
      var(--color-blue),
      var(--color-purple),
      var(--color-pink),
      var(--color-red),
      var(--color-yellow),
      var(--color-lime),
      var(--color-white)
    )
    no-repeat calc(var(--bg-position) * 1%) 0% / 900%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.15ch;
  font-weight: 600;
}

main button > div::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--after-bg)
    no-repeat calc(var(--bg-position) * 1%) 0% / 900%;
  transform: translateY(calc(var(--after-pos-y) * 1px));
  z-index: -2;
  filter: blur(calc(var(--after-blur) * 1px));
  opacity: var(--after-opacity);
}

main button > div::before {
  content: "";
  position: absolute;
  inset: calc(var(--btn-border-width) * -1px);
  background: linear-gradient(
      to right,
      var(--color-white),
      var(--color-cyan),
      var(--color-blue),
      var(--color-purple),
      var(--color-pink),
      var(--color-red),
      var(--color-yellow),
      var(--color-lime),
      var(--color-white)
    )
    no-repeat calc(var(--bg-position) * 1%) 0% / 900%;
  border-radius: 9px;
  z-index: -1;
  opacity: var(--before-opacity);
}

/* ---------- HOVER / ACTIVE ---------- */
main button:hover {
  --btn-scale: 1.05;
  --bg-position: 0;
  --after-blur: 30;
  --after-opacity: 0.3;
  --after-pos-y: 0;
  --before-opacity: 1;
}

main button:active {
  --btn-scale: 0.98;
  --after-blur: 15;
}
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Gradient Button

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