La vibration et l'animation de l'image ne fonctionnent pas CSS

document.addEventListener('scroll', function() {

  const navbar = document.querySelector(".nav-bar");
  const navbarHeight = 10;

  const distanceFromTop = Math.abs(
    document.body.getBoundingClientRect().top
  );
  if (distanceFromTop >= navbarHeight) navbar.classList.add("nav-bar-fixed");
  else navbar.classList.remove("nav-bar-fixed");
});

@import url('https://fonts.googleapis.com/css2?family=Tilt+Neon&display=swap');
body {
  background-color: rgb(255, 255, 255);
  margin: 0px;
  box-sizing: border-box;
  font-family: 'Tilt Neon', cursive;
}

.nav-bar {
  width: 100%;
  position: fixed;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgb(255, 255, 255);
  border-bottom: black 5px solid;
  transition: 2s;
}

.nav-bar-anim {
  height: 12vh;
  transition: 2s;
}

.nav-bar-fixed {
  height: 8vh;
  transition: 2s;
}

.logo {
  width: 110px;
}

.logo img {
  width: 100%;
  object-fit: cover;
}

.nav-items {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-right: 5%;
}

.nav-items a {
  font-size: 5vw;
  text-decoration: none;
  color: black;
}


/* main-sector  */

.main-section {
  background-image: url(img/famous-japanese-food-sushi.jpg);
  height: 300px;
  width: 100%;
  padding-top: 80px;
  background-size: cover;
  backdrop-filter: blur(5px);
  position: relative;
}

.main-section .blur {
  width: 100%;
  height: 100%;
  backdrop-filter: blur(2px);
}

.main-section a {
  position: absolute;
  top: 70%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  font-size: 4vw;
  padding: 20px;
  text-decoration: none;
  color: rgb(0, 0, 0);
  background: rgb(255, 255, 255);
  border: 2px solid rgb(0, 0, 0);
}

.main-section .line {
  position: absolute;
  top: 75%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  height: .5%;
  background-color: rgb(150, 29, 29);
  animation: expandline 5s forwards;
}

.second-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 40vh;
  border-top: 4px solid black;
  ;
  border-bottom: 4px solid black;
  gap: 40px;
}

.second-section a {
  text-decoration: none;
  font-size: 2em;
  border: 2px solid black;
  padding: 10px 20px;
}

.color-change {
  color: black;
  transition: 2s;
}

@media (min-width: 800px) {
  .nav-bar {
    height: 16vh;
  }
  .nav-bar-fixed {
    height: 12vh;
    transition: 2s;
  }
  .logo {
    width: 10%;
  }
  .nav-items {
    gap: 30px;
  }
  .nav-items a {
    font-size: 2em;
  }
  .main-section {
    height: 80vh;
    width: 100%;
  }
}

.nav-items a:hover {
  color: red;
  transition: 1s;
}

@keyframes expandline {
  from {
    width: 0%;
  }
  to {
    width: 20%;
  }
}

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="stylesheet" href="home.css">
  <title>Sushi</title>
</head>

<body>
  <div class="nav-bar" class="nav-bar-anim" class="nav-bar-anim">
    <div class="logo">
      <img src="img/logo.webp" alt="">
    </div>
    <div class="nav-items">
      <a href="">Contact</a>
      <a href="">Order</a>
      <a href="">About</a>
    </div>
  </div>

  <div class="main-section">



    <div class="blur"></div>
    <div class="line" class="first-line"></div>
    <a href="tel:747-272-2997">Order Now</a>
    <div class="line"></div>

  </div>

  <div class="second-section">
    <h1>Check Out Our Menu</h1>
    <a class="color-change" href="">Menu</a>




  </div>

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  ipsam libero sequi ut consequatur. Laboriosam libero recusandae reiciendis ipsum, harum deleniti itaque doloremque officia praesentium voluptatibus similique dolores? In facilis impedit officia obcaecati ex tempore, quod laboriosam dicta voluptatibus?
  Qui quasi eius debitis! Neque minus maiores voluptates, quas architecto laboriosam perspiciatis explicabo vel quis, voluptas ipsam nemo omnis ipsum nesciunt? A incidunt amet cupiditate odio consectetur aperiam ex animi eum corrupti minus dolorum, doloremque
  cum perspiciatis ad velit quas veritatis labore nisi qu

</body>
<script src="home.js"></script>

</html>

J'essaie de créer un site Web de sushi, mais l'image de ma section principale continue de vibrer lorsque je la fais défiler vers le bas sur le bureau plein écran. Ma barre de navigation ne fonctionne pas non plus dans la version mobile lors du défilement vers le bas, la barre de navigation ne se réduit pas plus petite que sur le bureau. J'ai également eu un problème avec l'animation qui ne se chargeait pas la première fois que j'ai visité le site.

P粉513318114186 Il y a quelques jours379

La vibration et l'animation de l'image ne fonctionnent pas CSS

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