Sticky Note

<button class="btn-sig-sticky" type="button">
  <span class="btn-sig-sticky__under" aria-hidden="true"></span>
  <span class="btn-sig-sticky__note">Call Amma!</span>
</button>

.btn-sig-sticky {
  --btn-bg: #ffe066;
  --btn-fg: #3b3320;
  --btn-font: inherit;
  --btn-size: 15px;
  --btn-weight: 600;
  --btn-w: 132px;
  --btn-h: 118px;
  --btn-bw: 0px;
  --btn-line: #8b6cff;
  --btn-radius: 0px;
  --btn-speed: 180ms;
}

.btn-sig-sticky {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  box-sizing: border-box;
  width: var(--btn-w);
  height: var(--btn-h);
  padding: 0;
  font-family: var(--btn-font);
  font-size: var(--btn-size);
  font-weight: var(--btn-weight);
  line-height: 1.2;
  color: var(--btn-fg);
  background: none;
  border: var(--btn-bw) solid var(--btn-line);
  border-radius: var(--btn-radius);
  box-shadow: none;
  cursor: pointer;
  text-decoration: none;
  white-space: normal;
  transition: all var(--btn-speed) ease;
  isolation: isolate;
}

.btn-sig-sticky:focus-visible {
  outline: 2px solid var(--btn-bg);
  outline-offset: 2px;
}

.btn-sig-sticky:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn-sig-sticky__icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
}

.btn-sig-sticky[data-state=stamped] {
  --peel: btn-peel 620ms ease-in both;
}

.btn-sig-sticky__under {
  position: absolute;
  inset: 0;
  background: #9be7c4;
  transform: rotate(2deg);
  box-shadow: 0 3px 6px rgba(0,0,0,.3);
}

.btn-sig-sticky__note {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 10px;
  box-sizing: border-box;
  font-family: 'Segoe Print', 'Bradley Hand', cursive;
  background: linear-gradient(170deg, color-mix(in srgb, var(--btn-bg) 86%, #fff), var(--btn-bg) 40%, color-mix(in srgb, var(--btn-bg) 90%, #000));
  border-bottom-right-radius: 26px 6px;
  box-shadow: 1px 5px 6px rgba(0,0,0,.28);
  transform-origin: 0 0;
  transform: rotate(-2deg);
  animation: var(--peel, none);
}

@keyframes btn-peel {
  0% { transform: rotate(-2deg); opacity: 1; }
  100% { transform: translate(34px, 46px) rotate(26deg); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .btn-sig-sticky,
  .btn-sig-sticky__note {
    animation: none !important;
    transition: none !important;
  }
}

document.querySelectorAll(".btn-sig-sticky").forEach((el) => {
  const land = () => {
    el.removeAttribute("data-state");
    void el.offsetWidth;
    el.dataset.state = "stamped";
  };
  const clear = () => el.removeAttribute("data-state");
  el.addEventListener("click", land);
  el.addEventListener("animationend", clear);
  return () => {
    el.removeEventListener("click", land);
    el.removeEventListener("animationend", clear);
  };
});

import { useEffect, useRef } from "react";
import type React from "react";
import "./sig-sticky.css"; // the CSS tab

function attach(el: HTMLElement) {
  const land = () => {
    el.removeAttribute("data-state");
    void el.offsetWidth;
    el.dataset.state = "stamped";
  };
  const clear = () => el.removeAttribute("data-state");
  el.addEventListener("click", land);
  el.addEventListener("animationend", clear);
  return () => {
    el.removeEventListener("click", land);
    el.removeEventListener("animationend", clear);
  };
}

export function BtnSigSticky({ children = "Call Amma!", ...props }: React.ComponentProps<"button">) {
  const ref = useRef<HTMLButtonElement>(null);
  useEffect(() => attach(ref.current!), []);

  return (
    <button className="btn-sig-sticky" type="button" ref={ref} {...props}>
      <span className="btn-sig-sticky__under" aria-hidden="true" />
      <span className="btn-sig-sticky__note">{children}</span>
    </button>
  );
}

<button class="btn-sig-sticky relative inline-flex items-center justify-center gap-[0.5em] [box-sizing:border-box] w-[132px] h-[118px] [padding:0] [font-family:inherit] text-[15px] font-[600] [line-height:1.2] text-[#3b3320] [background:none] [border:0px_solid_#8b6cff] rounded-[0px] [box-shadow:none] cursor-pointer no-underline [white-space:normal] [transition:all_180ms_ease] isolate focus-visible:[outline:2px_solid_#ffe066] focus-visible:[outline-offset:2px] disabled:[opacity:0.5] disabled:[pointer-events:none] [&[data-state=stamped]]:[--peel:btn-peel_620ms_ease-in_both] motion-reduce:[transition:none!important]" type="button">
  <span class="absolute [inset:0] bg-[#9be7c4] [transform:rotate(2deg)] [box-shadow:0_3px_6px_rgba(0,0,0,.3)]" aria-hidden="true"></span>
  <span class="relative grid [place-items:center] w-[100%] h-[100%] [padding:10px] [box-sizing:border-box] [font-family:'Segoe_Print',_'Bradley_Hand',_cursive] [background:linear-gradient(170deg,_color-mix(in_srgb,_#ffe066_86%,_#fff),_#ffe066_40%,_color-mix(in_srgb,_#ffe066_90%,_#000))] [border-bottom-right-radius:26px_6px] [box-shadow:1px_5px_6px_rgba(0,0,0,.28)] [transform-origin:0_0] [transform:rotate(-2deg)] [animation:var(--peel,_none)] motion-reduce:[animation:none!important]">Call Amma!</span>
</button>

<!-- A class cannot hold keyframes: keep this in your CSS. -->
<style>
@keyframes btn-peel {
  0% { transform: rotate(-2deg); opacity: 1; }
  100% { transform: translate(34px, 46px) rotate(26deg); opacity: 0; }
}
</style>

<!-- Needs the script from the JS tab. -->