Webleb - Extraits de Code - Bouton d'animation magique

HTML

<!DOCTYPE html>
   <html lang="en">
   <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <link href="https://cdn.jsdelivr.net/npm/remixicon@3.2.0/fonts/remixicon.css" rel="stylesheet">
      <link rel="stylesheet" href="./style.css">

<title>Andev Web</title>
   </head>
   <body>
      <div class="container">
         <a href="#" class="button">
            <div class="button__content">
               <span class="button__text">Hover  Me</span>

CSS

/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500;700&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --gradient-color: linear-gradient(90deg,
                    hsl(48, 100%, 50%) 0%,
                    hsl(28, 100%, 54%, 100%));
  --black-color: hsl(225, 15%, 6%);
  --reflection-color: hsla(48, 30%, 95%, .3);
  --body-color: hsl(0, 0%, 100%);

/*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Montserrat", sans-serif;
  --normal-font-size: 1rem;
}

/*=============== BASE ===============*/
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background: #151F28;
}

a {
  text-decoration: none;
}

/*=============== BUTTON ===============*/
.container {
  height: 100vh;
  margin-inline: 1.5rem;
  display: grid;
  place-items: center;
}

.button {
  position: relative;
  transition: transform .4s;
}

.button__content {
  position: relative;
  background: var(--gradient-color);
  padding: 1.25rem 3rem;
  border-radius: 4rem;
  border: 3px solid var(--black-color);
  color: var(--black-color);
  display: flex;
  align-items: center;
  column-gap: .5rem;
  overflow: hidden;
}

.button__text {
  font-weight: 700;
}

.button__icon {
  font-size: 1.5rem;
}

.button__text, 
.button__icon {
  position: relative;
  z-index: 2;
}

/* Reflection shapes */
.button__reflection-1, 
.button__reflection-2 {
  width: 8px;
  height: 120px;
  background-color: var(--reflection-color);
  rotate: 30deg;
  position: absolute;
  inset: 0;
  top: 0;
  left: -180%;
  margin: auto;
  transition: left .6s cubic-bezier(.2, .5, .2, 1.2);
}

.button__reflection-1::after {
  content: "";
  width: 26px;
  height: 100%;
  background-color: var(--reflection-color);
  position: absolute;
  top: -1rem;
  left: 1.25rem;
}

.button__reflection-2::after {
  content: "";
  width: 40px;
  height: 100%;
  background-color: var(--reflection-color);
  position: absolute;
  top: -1rem;
  left: .8rem;
}

/* Moving geometric shapes */
.button img {
  position: absolute;
  opacity: 0;
  transition: transform .5s, opacity .5s;
}

.button__star-1 {
  width: 20px;
  top: -14px;
  left: -16px;
  transform: rotate(48deg) scale(.1);
}

.button__star-2 {
  width: 40px;
  right: -10px;
  top: -4px;
  transform: rotate(-48deg) scale(.1);
}

.button__circle-1, 
.button__circle-2 {
  width: 8px;
}

.button__circle-1 {
  top: -8px;
  left: 58px;
  transform: scale(.1);
}

.button__circle-2 {
  right: 34px;
  bottom: -8px;
  transform: scale(.1);
}

.button__diamond {
  width: 18px;
  top: -18px;
  right: 62px;
  transform: scale(.1);
}

.button__triangle {
  width: 30px;
  left: 15px;
  bottom: -16px;
  transform: rotate(-48deg) scale(.1);
}

/* Gradient shadow */
.button__shadow {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: var(--gradient-color);
  padding: 1.25rem 3rem;
  border-radius: 4rem;
  border: 3px solid var(--black-color);
  z-index: -1;
  transition: transform .3s;
}

/* View shadow gradient */
.button:hover .button__shadow {
  transform: translate(-.5rem, .5rem);
}

/* Move reflection */
.button:hover .button__reflection-1 {
  left: 120%;
}

.button:hover .button__reflection-2 {
  left: -70%;
}

/* View geometric shapes */
.button:hover {
  transform: rotate(-4deg) scale(1.1);
}

.button:hover img {
  opacity: 1;
}

.button:hover .button__star-1 {
  transform: scale(1.1);
  transition-delay: .1s;
}

.button:hover .button__star-2 {
  transform: scale(1.1);
}

.button:hover .button__circle-1 {
  transform: translateY(-8px) scale(1.1);
  transition-delay: .1s;
}

.button:hover .button__circle-2 {
  transform: translate(-20px, 20px) scale(1.1);
}

.button:hover .button__diamond {
  transform: translateY(7px) rotate(-24deg) scale(1.1);
}

.button:hover .button__triangle {
  transform: rotate(-12deg) scale(1.1);
}/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500;700&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --gradient-color: linear-gradient(90deg,
                    hsl(48, 100%, 50%) 0%,
                    hsl(28, 100%, 54%, 100%));
  --black-color: hsl(225, 15%, 6%);
  --reflection-color: hsla(48, 30%, 95%, .3);
  --body-color: hsl(48, 100%, 98%);