我有以下代码,它不会粘在页面的中间。我已经尝试了很多CSS技巧来把它放到页面的中心,但我不能。任何建议?我应该添加到CSS以便它出现在m页的中间?中心我在页面中的引导形式
<head>
<meta name="generator" content="HTML Tidy for HTML5 (experimental) for Windows https://github.com/w3c/tidy-html5/tree/c63cc39" />
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
<link rel="stylesheet" href="buynow.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<meta charset="UTF-8" />
<title>CrowdLinker</title>
</head>
<div class="container">
<div class='row '>
<div class="col-md-6 offset-md-3 ">
<form accept-charset="UTF-8" action="/" class="require-validation" data-cc-on-file="false" data-stripe-publishable-key="pk_bQQaTxnaZlzv4FnnuZ28LFHccVSaj" id="payment-form" method="post">
<div style="margin:0;padding:0;display:inline">
<input name="utf8" type="hidden" value="✓" />
<input name="_method" type="hidden" value="PUT" />
<input name="authenticity_token" type="hidden" value="qLZ9cScer7ZxqulsUWazw4x3cSEzv899SP/7ThPCOV8=" />
</div>
<div class='form-row'>
<div class='col-xs-12 form-group required'>
<label class='control-label'>Name on Card</label>
<input class='form-control' size='4' type='text'>
</div>
</div>
<div class='form-row'>
<div class='col-xs-12 form-group card required'>
<label class='control-label'>Card Number</label>
<input autocomplete='off' class='form-control card-number' size='20' type='text'>
</div>
</div>
<div class='form-row'>
<div class='col-xs-4 form-group cvc required'>
<label class='control-label'>CVC</label>
<input autocomplete='off' class='form-control card-cvc' placeholder='ex. 311' size='4' type='text'>
</div>
<div class='col-xs-4 form-group expiration required'>
<label class='control-label'>Expiration</label>
<input class='form-control card-expiry-month' placeholder='MM' size='2' type='text'>
</div>
<div class='col-xs-4 form-group expiration required'>
<label class='control-label'> </label>
<input class='form-control card-expiry-year' placeholder='YYYY' size='4' type='text'>
</div>
</div>
<div class='form-row'>
<div class='col-md-12'>
<div class='form-control total btn btn-info'>
Total:
<span class='amount'>$300</span>
</div>
</div>
</div>
<div class='form-row'>
<div class='col-md-12 form-group'>
<button class='form-control btn btn-primary submit-button' type='submit'>Pay »</button>
</div>
</div>
<div class='form-row'>
<div class='col-md-12 error form-group hide'>
<div class='alert-danger alert'>
Please correct the errors and try again.
</div>
</div>
</div>
</form>
</div>
<div class='col-md-4'></div>
</div>
</div>
什么这个网站的一部分,你想为中心?你的CSS在哪里? – Bek
@Amir Torkashvand:我提供了两种解决方案。使用任何你喜欢的。 – Arif