我有一个Bootstrap按钮。当HTML文件在本地运行时,它可以工作,但当我在浏览器上打开它时,它不会显示出来。有人能帮帮忙吗?
<form class="form-post">
<select class="form-control" id="type" required autofocus>
<option value="" disabled selected style="display: none;"
>Choose a subject category</option
>
<option value="">Textbook</option>
<option value="">Course Notes</option>
<option value="appliance">Electronics</option>
<option value="appliance">iClicker</option>
<option value="appliance">Calculator</option>
<option value="appliance">Others</option>
</select>
<button id="post2" class="post-ad" type="submit">Post Your Ad h</button>
</form>发布于 2020-07-23 14:13:29
发布于 2020-07-23 14:48:46
在所有其他样式表加载CSS之前,将样式表复制粘贴到中。
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">变化
<button id="post2" class="post-ad" type="submit" >Post Your Ad h</button>至
<button id="post2" class="btn btn-primary" type="submit">Post Your Ad h</button>https://stackoverflow.com/questions/63047563
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