Bootstrap 4的图像缩略图大小

Question

我有一个非常简单的响应式图库，仅包含6个缩略图。在大中型设备中，它显示完美。但是，在移动视图中，缩略图变得太小。如果添加填充，则边距会“中断”，并且它们将不再对齐。有没有办法在不“破坏”边距的情况下使它们更大一些？我发布了图片，以便于理解。

在下图中，您可以看到边距对齐，但是缩略图太小。

在下面，您可以看到当我添加填充时会发生什么。缩略图更大，但是边距不再对齐。

.container {
  max-width: 98%;
  margin: 0 auto;
}

.image-container {
  background-color: #ffffff;
  padding: 10px;
}

.main-image-container img {
  max-width: 100%;
  height: auto;
}

.thumbnail-image-container img {
  max-width: 100%;
  height: auto;
}

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">

<div class="container mt-4">
  <div class="row">

    <div class="col-lg-7 image-container">
      <div class="row">
        <div class="col-12 main-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
      </div>
      <div class="row pt-2">
        <div class="col-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>


      </div>
    </div>

Answer 1

一种解决方案是向所有col-*类添加相同的填充。 Bootstrap具有名为p-*的填充类。下一个示例将p-1类添加到main-image-container和thumbnail-image-container元素中。

.container {
  max-width: 98%;
  margin: 0 auto;
}

.image-container {
  background-color: #ffffff;
  padding: 10px;
}

.main-image-container img {
  max-width: 100%;
  height: auto;
}

.thumbnail-image-container img {
  max-width: 100%;
  height: auto;
}

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">

<div class="container mt-4">
  <div class="row">

    <div class="col-lg-7 image-container">

      <div class="row">
        <div class="col-12 p-1 main-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
      </div>

      <div class="row pt-2">
        <div class="col-2 p-1 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 p-1 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 p-1 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 p-1 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 p-1 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-2 p-1 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
      </div>

    </div>

  </div>
</div>

第二种解决方案是使用正确的col-*类将缩略图分为两行。像下面的例子一样：

.container {
  max-width: 98%;
  margin: 0 auto;
}

.image-container {
  background-color: #ffffff;
  padding: 10px;
}

.main-image-container img {
  max-width: 100%;
  height: auto;
}

.thumbnail-image-container img {
  max-width: 100%;
  height: auto;
}

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">

<div class="container mt-4">
  <div class="row">

    <div class="col-lg-7 image-container">

      <div class="row">
        <div class="col-12 main-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
      </div>

      <div class="row pt-1">
        <div class="col-4 col-md-2 mt-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-4 col-md-2 mt-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-4 col-md-2 mt-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-4 col-md-2 mt-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-4 col-md-2 mt-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
        <div class="col-4 col-md-2 mt-2 thumbnail-image-container img-fluid">
          <img src="https://placeholdit.co//i/1280x720?&text=Test">
        </div>
      </div>

    </div>

  </div>
</div>