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I have a div, and I want the input box to be place at it's center. How can I do this?
Best Answer-推荐答案
The catch is that input elements are inline.
We have to make it block (display:block) before positioning it to center : margin : 0 auto. Please see the code below :
<html>
<head>
<style>
div.wrapper {
width: 300px;
height:300px;
border:1px solid black;
}
input[type="text"] {
display: block;
margin : 0 auto;
}
</style>
</head>
<body>
<div class='wrapper'>
<input type='text' name='ok' value='ok'>
</div>
</body>
</html>
But if you have a div which is positioned = absolute then we need to do the things little bit differently.Now see this!
<html>
<head>
<style>
div.wrapper {
position: absolute;
top : 200px;
left: 300px;
width: 300px;
height:300px;
border:1px solid black;
}
input[type="text"] {
position: relative;
display: block;
margin : 0 auto;
}
</style>
</head>
<body>
<div class='wrapper'>
<input type='text' name='ok' value='ok'>
</div>
</body>
</html>
Hoping this can be helpful.Thank you.
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