搜索字段

搜索字段

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html - Bootstrap 4使搜索字段在移动设备中响应

我尝试使用以下代码将搜索字段居中。

但是搜索字段的响应速度不太快，因为在移动设备上时，它的页脚与桌面上的内容完全不同。我希望它与页脚之间有空隙。

此问题仅在小屏幕模式下显示。

任何输入将不胜感激。希望大家周末愉快！



html {
  position: relative;
  min-height: 100%;
}
body {
  margin-bottom: 60px;

}








 section {
     padding: 70px 0;
     border-bottom: 1px dotted #ccc;
}
 .grid-example div[class^="col"] {
     border: 1px solid white;
     background: lightblue;
     text-align: center;
     padding-top: 8px;
     padding-bottom: 8px;
}
 .jumbotron {
     background-color: lightskyblue;
}
 table th {
     text-align: center;
}
 .table {
     margin: auto;
     width: 50% !important;
}
 .table td {
     text-align: center;
}
 .footer {
     position: absolute;
     bottom: 0;
     width: 100%;
     height: 60px;
     line-height: 60px;
     color: #fff;
     text-align: center;
     background-color: #0275D8;
}
 a {
     color: #f00;
}
 a:hover {
     color: #0f0;
}

<!doctype html>
<html lang="en">

<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Test</title>
    <meta name="description" content="Test">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
    <link rel="stylesheet" href="Sticky Footer.css">






</head>

<body>

    <nav class="navbar-expand-sm navbar-expand-md navbar-expand-lg navbar navbar-light" style="background-color: #C0C0C0;">
        <a class="navbar-brand" href="#">Navbar</a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarNavDropdown">
            <ul class="navbar-nav">
                <li class="nav-item active">
                    <a class="nav-link" href="#">Test <span class="sr-only">(current)</span></a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Test</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Test</a>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Test
        </a>
                    <div class="dropdown-menu" style="width:300px" aria-labelledby="navbarDropdown">
                        <div class="container container-sm">
                            <div class="row">
                                <div class="col-sm-4">
                                    <a class="dropdown-item" href="#">Test</a>
                                    <a class="dropdown-item" href="#">Test</a>
                                    <a class="dropdown-item" href="#">Test</a>
                                </div>
                        </div>
                    </div>
                </li>
            </ul>
        </div>
    </nav>


<div class="jumbotron">
  <h1 class="display-8">Hello, world!</h1>
  <p class="lead-8">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>

  <p class="lead">
    <a class="btn btn-primary btn-md" href="#" role="button">Learn more</a>
  </p>
</div>









    <div class="row align-items-center" style="min-height: calc(100vh - 500px);">
        <div class="col-xs-3 col-sm-8 col-md-6 col-lg-6 mx-auto">
            <div class="input-group-prepend">

                <input id='urlurl' type="url" class="form-control" placeholder="Search" pattern="https?://.+" required />
                <span class="input-group-btn">
                    <button class="btn btn-primary" style="background-color: #0275D8; border-color: #0275D8;" type="button" >Test</button>
                </span>
            </div>
        </div>
    </div>




    <footer class="footer fixed-bottom text-center">
        <span class="text">Place sticky footer content here.</span>
    </footer>



    <!-- jQuery Version 1.11.1 -->
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>

    <!-- Bootstrap Core JavaScript -->
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>






</body>

</html>

最佳答案

我不了解您的真正需求，但尝试了一下。我认为padding-bottom: 100px;将解决您的问题。



html {
  position: relative;
  min-height: 100%;
}
body {
  margin-bottom: 60px;
  padding-bottom: 100px;
}








 section {
     padding: 70px 0;
     border-bottom: 1px dotted #ccc;
}
 .grid-example div[class^="col"] {
     border: 1px solid white;
     background: lightblue;
     text-align: center;
     padding-top: 8px;
     padding-bottom: 8px;
}
 .jumbotron {
     background-color: lightskyblue;
}
 table th {
     text-align: center;
}
 .table {
     margin: auto;
     width: 50% !important;
}
 .table td {
     text-align: center;
}
 .footer {
     position: absolute;
     bottom: 0;
     width: 100%;
     height: 60px;
     line-height: 60px;
     color: #fff;
     text-align: center;
     background-color: #0275D8;
}
 a {
     color: #f00;
}
 a:hover {
     color: #0f0;
}

<!doctype html>
<html lang="en">

<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Test</title>
    <meta name="description" content="Test">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
    <link rel="stylesheet" href="Sticky Footer.css">






</head>

<body>

    <nav class="navbar-expand-sm navbar-expand-md navbar-expand-lg navbar navbar-light" style="background-color: #C0C0C0;">
        <a class="navbar-brand" href="#">Navbar</a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarNavDropdown">
            <ul class="navbar-nav">
                <li class="nav-item active">
                    <a class="nav-link" href="#">Test <span class="sr-only">(current)</span></a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Test</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Test</a>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Test
        </a>
                    <div class="dropdown-menu" style="width:300px" aria-labelledby="navbarDropdown">
                        <div class="container container-sm">
                            <div class="row">
                                <div class="col-sm-4">
                                    <a class="dropdown-item" href="#">Test</a>
                                    <a class="dropdown-item" href="#">Test</a>
                                    <a class="dropdown-item" href="#">Test</a>
                                </div>
                        </div>
                    </div>
                </li>
            </ul>
        </div>
    </nav>


<div class="jumbotron">
  <h1 class="display-8">Hello, world!</h1>
  <p class="lead-8">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>

  <p class="lead">
    <a class="btn btn-primary btn-md" href="#" role="button">Learn more</a>
  </p>
</div>









    <div class="row align-items-center" style="min-height: calc(100vh - 500px);">
        <div class="col-xs-3 col-sm-8 col-md-6 col-lg-6 mx-auto">
            <div class="input-group-prepend">

                <input id='urlurl' type="url" class="form-control" placeholder="Search" pattern="https?://.+" required />
                <span class="input-group-btn">
                    <button class="btn btn-primary" style="background-color: #0275D8; border-color: #0275D8;" type="button" >Test</button>
                </span>
            </div>
        </div>
    </div>




    <footer class="footer fixed-bottom text-center">
        <span class="text">Place sticky footer content here.</span>
    </footer>



    <!-- jQuery Version 1.11.1 -->
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>

    <!-- Bootstrap Core JavaScript -->
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>






</body>

</html>

10-07 21:41
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