标签: bootstrap-native

Bootstrap 5“导航栏”折叠不起作用

基本代码:

<?php
session_start();
if ((!isset($_SESSION['valid']) == true)) {
    unset($_SESSION['valid']);
    header('location:index.php');
}
?>
<!DOCTYPE html>
<html lang="pt-br">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Noticias sobre Vacina - Digital</title>
    <!-- Bootstrap-->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.1.0/css/bootstrap.min.css" integrity="sha512-F7WyTLiiiPqvu2pGumDR15med0MDkUIo5VTVyyfECR5DZmCnDhti9q5VID02ItWjq6fvDfMaBaDl2J3WdL1uxA==" crossorigin="anonymous" referrerpolicy="no-referrer" />  <link rel="stylesheet" href="css/styles.css">

</head>

<body>

    <div class="cover-container d-flex w-100 h-100 mx-auto flex-column">
        <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
            <div class="container">
                <a class="navbar-brand" href="#">Noticias sobre a vacina</a>
                <button class="navbar-toggler" type="button" data-toggle="collapse" aria-expanded="false" aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>
                <div class="collapse navbar-collapse">
                    <ul class="navbar-nav mr-auto">
                        <li class="nav-item …
Run Code Online (Sandbox Code Playgroud)

html bootstrap-native bootstrap-5

1
推荐指数
1
解决办法
8571
查看次数

标签 统计

bootstrap-5 ×1

bootstrap-native ×1

html ×1