Question

我试图提高我的引导技能，我已经完成了xtra小而不知道如何根据这张照片做大中型，有人可以帮助这个人会欣赏，还应该有白色根据图片在盒子之间的空间，如何用margin / padding做到这一点？

＆＃13;

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
  <style>
 

	
  </style>
</head>
<body>

   
  <div class="row">

    <div class="col-xs-12 col-sm-6  col-lg-6 mg " style="background-color:red; height:200px;"></div>
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6 mg" style="background-color:blue; height:200px;"></div>
	
	
    </div>   
	<div class="row">
 
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6 mg" style="background-color:yellow; height:200px;"> </div> 
   <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6 mg " style="background-color:burlywood; height:200px;"></div>

    </div>  

  <div class="row">
  <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6 mg" style="background-color:black; height:200px;"></div>
  <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6 mg" style="background-color:orange; height:200px;"></div>

    </div>  
  <div class="row">
 
  <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6 mg " style="background-color:burlywood; height:200px;"></div>

    </div> 
</body>
</html>

＆＃13;

Answer 1

您需要将offset-lg-3和offset-md-4类用于抵消div。

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
  <style>
  </style>
</head>

<body>
  <div class="row">
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-3 offset-lg-3" style="background-color:red; height:200px;"></div>
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-3" style="background-color:blue; height:200px;"></div>
  </div>

  <div class="row">
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6" style="background-color:yellow; height:200px;"> </div>
    <div class="col-xs-12 col-sm-6 col-md-4 offset-md-4 col-lg-3 offset-lg-3" style="background-color:burlywood; height:200px;"></div>
  </div>

  <div class="row">
    <div class="col-xs-12 col-sm-6 col-md-4 offset-md-4 col-lg-3 offset-lg-0" style="background-color:black; height:200px;"></div>
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-3 offset-lg-6" style="background-color:orange; height:200px;"></div>
  </div>

  <div class="row">
    <div class="col-xs-12 col-sm-6 col-md-4 col-lg-6" style="background-color:burlywood; height:200px;"></div>
  </div>
</body>
</html>

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