我的导航不会显示在页面顶部，我尝试了 z-index 和所有内容，但如果我删除变换，则会出现栏，但占据了一半的屏幕。
<!DOCTYPE html>
<html>
<head>
<title>My Portfolio</title>
<link rel="stylesheet" href="styles.css">
<meta charset="UTF-8">
<meta name="viewport">
</head>
<body>
<section id="welcome-section">
<header>
<h1 class="title">Hey I am Matija</h1>
<p class="welcum">a web developer</p>
</header>
</section>
<nav class="nav"></nav>
<ul class="navbar">
<li>
<a href="#welcome-section">About</a>
</li>
<li>
<a href="#projects">Work</a>
</li>
<li>
<a href="#contact">Contact</a>
</li>
</ul>
</nav>
<div class="background">
</div>
<section class="project">
<div class="projects">
</div>
</section>
<section class="recruit">
<div class="contact"></div>
</section>
</body>
margin: 0;
padding: 0;
}
.nav{
z-index: 300;
display: flex;
justify-content: flex-end;
position: fixed;
top: 0;
left: 0;
width: 100%;
background: red;
box-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
}
h1,p{
color: white;
padding: 0;
margin: 0;
}
body{
z-index: 100;
position: relative;
display: flex;
width: auto;
height: 100vh;
border-radius: 0px;
background-image: linear-gradient(62deg, #3a3d40 0%, #181719 100%);
margin : 0;
padding: 0;
}
#welcome-section{
justify-content: center;
display: block;
margin: 0 auto;
z-index: 1000;
text-align: center;
margin-top: 160px;
}
h1{
font-family: 'Poppins', sans-serif;
font-size: 50px;
font-weight: 150;
padding-top: 200px;
}
.welcum {
z-index: 2;
font-size: 1.4rem;
font-weight:0;
font-style: italic;
color: orangered;
font-family: 'Poppins', sans-serif;
}
html{
scroll-behavior: smooth;
}
无论我做什么，导航都不会显示
删除
</nav><nav class="nav>