Ank*_*cha 1 html javascript css twitter-bootstrap bootstrap-4
我正在尝试使用主体放大为 90% 的 Bootstrap html 页面。Bootstrap 模式显示右侧和底部的空格。为了显示问题，我将主体放大为 90% 的模态的基本 html 页面。
当您单击打开模态时，您将看到模态右侧和底部的空格。我们如何在主体缩放 90% 的情况下渲染没有多余空间的模态。所需的输出是模态模糊背景应覆盖整个屏幕。并且模态主体应该位于 x 轴的中心，就好像 90% 和 100% 的缩放相同，只是 90% 的缩放是小字体
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body style="zoom:90%;">
<div class="container">
<!-- Button to Open the Modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
Open modal
</button>
<!-- The Modal -->
<div class="modal fade" id="myModal">
<div class="modal-dialog modal-sm">
<div class="modal-content">
<!-- Modal body -->
<div class="modal-body">
Modal body..
</div>
<!-- Modal footer -->
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
.modal-backdrop 类使用 100vh 和 100vw，由于我们应用了 90% 缩放，因此 100vh 对应于屏幕高度的 90%；100vw对应屏幕宽度的90%；
解决方案：重写此类width: 100%; height: 100%;
.modal-backdrop {
width: 100% !important;
height: 100% !important;
}<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<body style="zoom:90%;">
<div class="container">
<h1> with zoom 90%
</h1>
<!-- Button to Open the Modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
Open modal
</button>
<!-- The Modal -->
<div class="modal fade" id="myModal">
<div class="modal-dialog modal-sm">
<div class="modal-content">
<!-- Modal body -->
<div class="modal-body">
Modal body..
</div>
<!-- Modal footer -->
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
</div>
</body>