在下面的代码中，在 div 部分成功和失败类中，字体颜色没有改变，div 语句有下划线。 text-align 和 font-size 是否正确应用css成功与否，请检查
<html>
<head>
<meta charset="utf-8">
<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">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"> </script>
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.1.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<style>
td
{
height:40px;
}
select
{
spacing-left:50px;
}
.well-width
{
height:400px;
border-radius:10px;
width:600px;
-webkit-box-shadow:0 0 20px grey;
}
#title
{
font-weight:bold;
font-size:38px;
color:#f22144;
font-family: 'Slabo 24px', serif;
}
#subtitle
{
color:green;
font-size:25px;
margin-left:80px;
font-weight:bold;
}
.success
{
text-align:center;
font-size:25px;
text-colour:green;
}
.fail
{
text-align:center;
font-size:25px;
colour: white;
text-decoration: none;
text-decoration-color: red;
}
</style>
</head>
<body>
<div class="container">
<br>
<div class="well-width">
<br><Center><h1 style="color:green;font-family:'Arial Black';"> <u>GET RECEIPT<u></h1></center></br>
<form method="post" action="#" autocomplete="off">
<center><table border=0>
<tr>
<td><label> Enter the Reference Number:</label></td>
<td> <input type="text" name="ref" maxlength="10" required> </td>
</tr>
<tr>
<td><label> Enter Roll Number:</label></td>
<td> <input type="text" name="roll" maxlength="10" required></td>
</tr>
<tr>
<td colspan=2><center><input type="submit" name="submit" class="btn btn-info" value="Delete"></center></td>
<tr>
</table></center>
</form>
</div>
</div>
<?php
if(isset($_POST['submit']))
{
include('connect.php');
$ref=$_POST['ref'];
$roll=$_POST['roll'];
$sql="select * from registrations where id='$ref' and rollno='$roll'";
$query=mysql_query($sql);
$count=mysql_num_rows($query);
if($count>0)
{
$sql1="delete from registrations where id='$ref' and rollno='$roll'" ;
$query1=mysql_query($sql1);
if($query1)
{
echo"<div class='success'>$count records deleted successfully</div>";
}
}
else
{
echo"<div class='fail'>No records found with this Refrence Id and Rollno</div>";
}
}
?>
</body>
</html>
最佳答案
首先你的代码质量很差。看。请使用工具解决您的问题。
关于css属性不申请div，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/45229088/