我無法完美地居中對待一個組件我希望此表單處於中間位置,並且可以正常工作,但我無法使背景完美地圍繞它,我已經嘗試了數以百萬計的事情,有人可以幫我一把嗎? 先進的謝謝。居中在CSS中的問題,HTML
HTML:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="css/style.css">
<title>Accounts</title>
</head>
<body>
<div class="authform">
<form class="my-form form-horizontal">
<div class="color">
<fieldset>
<label class="col-md-4 control-label" for="username"></label>
<div class="col-md-5">
<center><input id="username" name="username" placeholder="Username" class="form-control input-md a-in" required="" type="text"></center>
</div>
<br><br><br>
<label class="col-md-4 control-label" for="password"></label>
<div class="col-md-5">
<center><input id="password" name="password" placeholder="Password" class="form-control input-md a-in" required="" type="password"></center>
</div>
<br><br><br>
<label class="col-md-4 control-label" for="send"></label>
<div class="col-md-4">
<button id="send" name="send" class="btn">Auth</button>
</div>
</fieldset>
</div>
</form>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</body>
</html>
CSS:
.authform {
padding-top: 15%;
width: 50%;
margin: auto;
float: center;
}
.color {
margin: auto;
float: center;
background-color: #2ecc71;
border-radius: 25px;
border: 2px solid #2ecc71;
padding: 20px;
}
據actualy定心但現在的輸入是uncenterd https://ibb.co/eBTdmF當我加入.A-在於發梗{ 寬度:360像素; },因爲如果不是文字會很小 – Itsmoloco
我更新了CodePen。這只是使用另一個FlexBox的問題。另外:請注意我是如何簡化HTML的。它讓我思考和設計清晰。即使是大型網站,簡單的HTML也是一個很好的選擇。另外,請隨意使用Bootstrap,但我更願意將其保持在最低限度。 –