Hi @Awanis_Tasya ,
Biasanya ada soal yang ke-trigger dan dinyatakan salah karena ada kode yang kurang tepat. Boleh share seluruh kodenya ke dm ya atau disini biar lebih mudah untuk tau salahnya itu ada dimana 
Semangat 
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" type="text/css" href="style.css" />
<script src="script.js"></script>
<title> Elegant Parfume </title>
<link re;="stylesheet" href="style.css">
</head>
<body>
<!-- Tambahkan kode kalian di sini -->
<h1 style="color:white;"> Parfume</h1>
<nav>
<div class="wrapper">
<div class="logo"><a href=''>Elegant Parfume</a></div>
<div class="menu">
<ul>
<li><a href="#home">Home</a></li>
<li><a href="#buy">Buy</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="" class="tbl-biru">Sign Up</a></li>
</ul>
<a id="link" href="https://skilvul.com"> </a>
</nav>
<div class="wrapper">
<section id="Home">
<img src="https://www.yslbeauty.co.id/dw/image/v2/BFZM_PRD/on/demandware.static/-/Sites-ysl-master-catalog/in_ID/dwd385ec43/pdp/WW-51020YSL/3614273776127-WW-51020YSL_LIBRE-LE-PARFUM_MAIN_V2.png"/>
<div class="kolom">
<p class="description"> YSL Beauty</p>
<p style="color:red">This is a YSL.</p>
<p> Fragrance is an art fused with science. In YSL, we believe that each product is there to make you adored, loved and remembered.</p>
</div>
<a href="https://skilvul.com"> id </a>
<form>
<input id="name" type="text"/>
<input id="city" type="text"/>
<input id="email" type="email"/>
<input id="zip-code" type="number"/>
<label id="check">Dengan ini saya menyatakan data yang diisi pada form ini adalah benar dan telah sesuai.</label>
<input id="status" type="checkbox"/>
<button id="submit-form" type="submit">Submit</button>
<div id="warning" ></div>
<footer> Skillvul Copyright </footer>
</body>
</html>
Hi @Awanis_Tasya ,
Ini yaa, saya bantu rapihkan. Kamu ada kesalahan penggunaan tag tadi
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<link rel="stylesheet" type="text/css" href="style.css" />
<script src="script.js"></script>
<title>Elegant Parfume</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<!-- Tambahkan kode kalian di sini -->
<h1 style="color: white">Parfume</h1>
<nav>
<div class="wrapper">
<div class="logo"><a href="">Elegant Parfume</a></div>
<div class="menu">
<ul>
<li><a href="#home">Home</a></li>
<li><a href="#buy">Buy</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="" class="tbl-biru">Sign Up</a></li>
</ul>
</div>
<a id="link" href="https://skilvul.com"> </a>
</div>
</nav>
<div class="wrapper">
<section id="Home">
<img
src="https://www.yslbeauty.co.id/dw/image/v2/BFZM_PRD/on/demandware.static/-/Sites-ysl-master-catalog/in_ID/dwd385ec43/pdp/WW-51020YSL/3614273776127-WW-51020YSL_LIBRE-LE-PARFUM_MAIN_V2.png"
/>
<div class="kolom">
<p id="description" class="description">YSL Beauty</p>
<p style="color: red">This is a YSL.</p>
<p>
Fragrance is an art fused with science. In YSL, we believe that each
product is there to make you adored, loved and remembered.
</p>
</div>
<a href="https://skilvul.com"> id </a>
</section>
</div>
<form>
<input id="name" type="text" />
<input id="city" type="text" />
<input id="email" type="email" />
<input id="zip-code" type="number" />
<label id="check"
>Dengan ini saya menyatakan data yang diisi pada form ini adalah benar
dan telah sesuai.</label
>
<input id="status" type="checkbox" />
<button id="submit-form" type="submit">Submit</button>
<div id="warning"></div>
</form>
<footer>Skillvul Copyright</footer>
</body>
</html>
Semangat