html+css实现的登录界面

一、界面效果

在这里插入图片描述

二、代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <style>
        body {
            background-color: #f1f1f1;
        }
        
        .login-box {
            width: 400px;
            margin: 50px auto;
            padding: 20px;
            background-color: #fff;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        
        input[type="text"], input[type="password"] {
            width: 100%;
            padding: 10px;
            border: none;
            border-bottom: 1px solid #ccc;
            outline: none;
            font-size: 14px;
        }
        
        button[type="submit"] {
            display: block;
            width: 100%;
            padding: 10px;
            background-color: #4CAF50;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        
        button[type="submit"]:hover {
            background-color: #3e8e41;
        }
    </style>
</head>
<body>
    <div class="login-box">
        <h2>登录</h2>
        <form>
            <div class="form-group">
                <label for="username">用户名：</label>
                <input type="text" id="username" name="username">
            </div>
            <div class="form-group">
                <label for="password">密码：</label>
                <input type="password" id="password" name="password">
            </div>
            <button type="submit">登录</button>
        </form>
    </div>
</body>
</html>