bootstrap-4

问题 I have a dynamic page where Bootstrap Collapse is showing data from the database. Here if I click any link all the items's collapse is opening all together and closing altogether. My Code <?php while ($row = mysqli_fetch_assoc($notice)) { ?> <div class="panel-group" id="accordion6" role="tablist" aria-multiselectable="true"> <div class="panel panel-default"> <div class="panel-heading" role="tab" id="headingOne6"> <h4 class="panel-title"> <a role="button" data-toggle="collapse" data-parent="

问题 I have a Bootstrap 4 navbar ripped straight from the examples in the documentation: <nav class="navbar navbar-expand-lg navbar-light bg-light"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id=

问题 Here's the HTML code: <div class="process"> <h2 style="text-transform: uppercase;">The Application Process</h2> <br><br> <div class="row"> <div class="col-md-3" align="left"> <ul class="nav nav-pills flex-column" id="myTab" role="tablist"> <li class="nav-item"> <a class="nav-link active" data-toggle="tab" href="#home" role="tab" aria-controls="home">Home</a> </li> <li class="nav-item"> <a class="nav-link" data-toggle="tab" href="#profile" role="tab" aria-controls="profile">Profile</a> </li>

问题 I am creating navbar using bootstrap 4 and made following changes set the Collapse button on right side Took the BrandName outside the collapse area so that its always there on Left side Here is the detailed code <nav class="navbar navbar-dark bg-danger"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler hidden-lg-up float-xs-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label=

问题 Alignment issue with zoom. While I am zooming the page upto 200% the alignment gets collapsed.. You can see the Image below how its look like.... Please help me this Thanks In advance . This is the css code, Alignment issue with zoom. While I am zooming the page upto 200% the alignment gets collapsed.You can see the Image below how its look like.... .flex-container{ display: flex; overflow-x:auto; overflow-y: hidden; } .officeflex{ margin-right: 31px; width:366px; max-height:225px; } hr {

问题 I am new to this so please bear with me. I copied this navbar code from Bootstrap and tweaked it to fit my code. I have a dropdown list with three dropdown items. I want the user to have two options. They can go to the portfolio page and find the links there or they can use the dropdown menu. The link to the portfolio page does not work when the last script that contains bootstrap.min.js is in the code. Not sure why this is not working. If I take out the dropdown and make it a regular link it

问题 The responsive table with a border has been designed. The problem is wraptexting, even when included th.nowrap in css, where data is overlapping and two horizontal lines appear when I look into the mobile view. I had declared nowrap text in css and even td and th but its not working. How can I solve this wraptext error? <div class="row"> <div class="panel panel-default"> <!-- /.panel-heading --> <div class="panel-body pn"> <div style="overflow-x:auto;"> <br> <div class="table-responsive">

问题 Trying to get images to display in the slides in Carousel using a tag and classname. I have images saved in the same folder as the Slider.js file. I have changed the default id property in the items array to source and changed the key to item.src but still no joy. I am getting the little image symbol on the screen as though it knows it is trying to display on image, but not the actual image I want if that makes sense import React, { Component } from "react"; import { Carousel, CarouselItem,

问题 Hi I am using angular 7 drag and drop feature. I am following this link https://stackblitz.com/edit/angular-material-drag-copy?file=app%2Fapp.component.html I want to check the data which is being dropped and based on the value i need to set whether it is a mat expansion panel or mat list. which is to be shown in the ui. I am using ngrepeat for generating the list items in both the drag and dropped place. Basically I want to decide the UI element which is to used based on the value that is

问题 I recently upgraded to bootstrap 4 and noticed my gallery which was fine on bootstrap 3 (listed horizontally) is now stacked vertically all of a sudden. Why is that? What changed? A fiddle My columns: <div class="row gallerymargin"> <div class="col-md-12"> <div class="latest_posts default-style"> <div class="row" id="contentgallery"> <div id="album"> <div class="col-sm-6 col-lg-4 post"> <a href="cms/images/gallerijen/over-ons/8200trouwen.jpg" target="_blank" class="hoverBorder plus