老师帮忙看一下代码写的对吗谢谢啦

来源：4-6 自由编程

幕布斯0094879

2020-11-06 16:09:54

# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

在这里输入代码，可通过选择【代码语言】突出显示
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        ul,
        li {
            list-style: none;
        }

        a {
            text-decoration: none;
        }

        .header-nav {
            height: 80px;
            background-color: #07cbc9;
        }

        .header-nav .header-top {
            height: 80px;
            width: 1200px;
            margin: 0 auto;
        }

        .header-nav .logo {
            float: left;
            line-height: 80px;
        }

        .header-nav .logo a {
            color: #fff;
        }

        .header-nav ul {
            float: right;
        }

        .header-nav ul li {
            float: left;
            line-height: 80px;

        }

        .header-nav ul li a {
            font-size: 16px;
            display: block;
            color: #fff;
            padding: 0 10px;
        }

        .header-nav ul li a:hover {
            background-color: orange;
        }

        .main-banner {
            width: 100%;
            height: 600px;
        }

        .main-banner img {
            width: 100%;
            height: 600px;
        }

        .main-banner .transparent {
            width: 100%;
            height: 500px;
            background: rgba(0, 0, 0, 0.5);
            position: absolute;
            top: 80px;
            left: 0;
            padding-top: 100px;
        }

        .main-banner .transparent form {
            width: 504px;
            height: 370px;
            position: absolute;
            left: 50%;
            margin-left: -252px;

        }

        .main-banner .transparent form input {
            display: block;
            width: 504px;
            border: 1px solid #808080;
            background: none;
            color: #808080;
        }

        .main-banner .transparent form input:first-child,
        .main-banner .transparent form input:nth-child(2),
        .main-banner .transparent form input:nth-child(3) {
            height: 40px;
            margin-bottom: 20px;
        }

        .main-banner .transparent form input:last-child {
            width: 200px;
            height: 40px;
            margin: 20px auto 0;
            cursor: pointer;
        }

        .main-banner .transparent form #bt {
            width: 504px;
            height: 110px;
            background: none;
        }
    </style>
</head>

<body>
    <div class="header-nav">
        <div class="header-top">
            <h1 class="logo"><a href="#">Career Builder</a></h1>
            <ul>
                <li><a href="">HOME</a></li>
                <li><a href="">ABOUT</a></li>
                <li><a href="">GALLERY</a></li>
                <li><a href="">FACULTY</a></li>
                <li><a href="">EVENTS</a></li>
                <li><a href="">CONTACT</a></li>
            </ul>
        </div>
    </div>
    <div class="main-banner">
        <img src="C:\Users\zyc\Desktop\素材/banner3.jpg" alt="">
        <div class="transparent">
            <form action="">
                <input type="text" placeholder="your name" name="username">
                <input type="text" placeholder="your phone" name="telephone">
                <input type="text" name="email" placeholder="your email">
                <textarea name="" id="bt" cols="30" rows="10" placeholder="wirte your comment here"></textarea>
                <input type="submit" value="SEND MESSAGE">
            </form>
        </div>
    </div>
</body>

</html>