HTML + CSS-调整图片大小仅适用于移动设备

分类：编程问答

如何解决HTML + CSS-调整图片大小仅适用于移动设备

我将直接向您展示而不是说明。

这是我的网站在浏览器上的外观：

enter image description here

这是在移动设备上查看我的网站时的样子：

enter image description here

有人给我任何有关如何解决它的建议吗？我尝试了引导程序和媒体查询，但一直在努力寻找一些方法来将图像调整为足够小的尺寸，以便它们在移动设备上彼此相邻显示。

头：

img.mob-img {
  width: 220;
  height: 333;
}   
  @media screen and (max-width: 992) {
    img.mob-img {
      width: 100px;
      height: auto;
    }       
  }
  @media screen and (max-width: 600) {
    img.mob-img {
      width: 100px;
      height: auto;
    }       
  }
<head>
  <title>DrinkMania - Drink or Dare</title>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no" />
  <meta name="robots" content="index,follow">
  <meta name="description" content="Drink or Dare! - Truth or dare developed with students in mind!">
  <meta name="keywords" content="kings,ring of fire,drinking games,drinkmania,drinking games online,student,frat,dirty pint,kings cup,app,mobile website,android,ios,reddit,scott montford,playing cards,university,party,friends,talisman webs">
  <link rel="stylesheet" href="assets/css/main.css" />
  <link rel="icon" href="favicon.ico" type="image/x-icon"/>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
  <!-- Global site tag (gtag.js) - Google Analytics -->
  <script async src="https://www.googletagmanager.com/gtag/js?id=UA-145322216-2"></script>
  <script>
      window.dataLayer = window.dataLayer || [];
      function gtag(){dataLayer.push(arguments);}
      gtag('js',new Date());

      gtag('config','');
  </script>
</head>
<body class="is-preload">

Section of the body:

  <!-- Banner -->
  <section id="banner" data-video="images/banner">
    <div class="inner">
      <header>
        <h1>Drink or Dare</h1><br>
        <p id="kingCount"></p><br>
        <img id="drinks" class="mob-img" src="assets/js/games/Cards/card-placeholder.png" > OR
        <img id="wildcard" class="mob-img" src="assets/js/games/Cards/card-placeholder.png" >
      </header>
      <ul class="actions special">
        <li><a href="#" class="button primary large" onclick="drawCard()">Draw 2 Cards</a></li><br>
      </ul>
    </div>
    <a href="#one" class="more">Learn More</a>
    <video src="images/banner.mp4" muted autoplay loop playsinline></video>
  </section>
</body>

解决方法

我将图像设置到容器<div style="display:flex; justify-content:center;">中，并将max-width添加到图像css 

img.mob-img {
  width: 220px;
  height: 333px;
}   
@media screen and (max-width: 992) {
  img.mob-img {
    max-width: 100px;
    height: auto;
  }       
}
@media screen and (max-width: 600) {
  img.mob-img {
    max-width: 100px;
    height: auto;
  }       
}
<head>
  <title>DrinkMania - Drink or Dare</title>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no" />
  <meta name="robots" content="index,follow">
  <meta name="description" content="Drink or Dare! - Truth or dare developed with students in mind!">
  <meta name="keywords" content="kings,ring of fire,drinking games,drinkmania,drinking games online,student,frat,dirty pint,kings cup,app,mobile website,android,ios,reddit,scott montford,playing cards,university,party,friends,talisman webs">
  <link rel="stylesheet" href="assets/css/main.css" />
  <link rel="icon" href="favicon.ico" type="image/x-icon"/>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
  <!-- Global site tag (gtag.js) - Google Analytics -->
  <script async src="https://www.googletagmanager.com/gtag/js?id=UA-145322216-2"></script>
  <script>
      window.dataLayer = window.dataLayer || [];
      function gtag(){dataLayer.push(arguments);}
      gtag('js',new Date());

      gtag('config','');
  </script>
</head>

<body class="is-preload">

Section of the body:

  <!-- Banner -->
  <section id="banner" data-video="images/banner">
    <div class="inner">
      <header>
        <h1>Drink or Dare</h1><br>
        <p id="kingCount"></p><br>
        <div style="display:flex; justify-content:center;">
          <img id="drinks" class="mob-img" src="https://cdn.pixabay.com/photo/2020/01/31/07/10/billboards-4807268_960_720.jpg" > OR
          <img id="wildcard" class="mob-img" src="https://cdn.pixabay.com/photo/2018/03/06/20/25/dog-3204497_960_720.jpg" >
        </div>
      </header>
      <ul class="actions special">
        <li><a href="#" class="button primary large" onclick="drawCard()">Draw 2 Cards</a></li><br>
      </ul>
    </div>
    <a href="#one" class="more">Learn More</a>
    <video src="images/banner.mp4" muted autoplay loop playsinline></video>
  </section>
</body>

,

好的，当您输入的最大宽度相同时，您无需设置两个不同的最大宽度。如果您需要此尺寸，我会将宽度设置为100％，最大宽度为100px。我不是像您一样喜欢嵌入式CSS的人。我将重命名已应用flex的div，然后将代码与其他样式一起放入，这样就不会遍地开花了。如果可以的话，将它集中到一处是很有帮助的。

   <div id="cards">
          <img id="drinks" class="mob-img" src="https://cdn.pixabay.com/photo/2020/01/31/07/10/billboards-4807268_960_720.jpg" > OR
          <img id="wildcard" class="mob-img" src="https://cdn.pixabay.com/photo/2018/03/06/20/25/dog-3204497_960_720.jpg" >
        </div>

CSS 

#cards {
display:flex;
justify-content:center;
}

img.mob-img {
  width: 220px;
  height: 333px;
}   
@media screen and (max-width: 992px) {
  img.mob-img {
    width: 100%;
    max-width: 100px;
    height: auto;
  }       
    
}
,

这是您要尝试做的吗？我确保它也能响应。因为您说您正在使用引导程序，所以我不需要使用您提供的任何CSS。

我还通过添加更多div获得了结果，对HTML进行了一些更改。

如果这不是您想要的输出，请在评论中让我知道，我会尽力帮助您。

Ps。我评论了该视频，因为它导致水平滚动。

.image-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.image-holder {
  padding: 10px;
}
<!-- CSS only -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">


<section id="banner" data-video="images/banner">
  <div class="inner">
    <header>
      <h1>Drink or Dare</h1><br>
      <p id="kingCount"></p><br>
      <div class="holder">
        <div class="image-container">
          <div class="image-holder">
            <img id="drinks" class="mob-img img-fluid" src="https://picsum.photos/200">
          </div>
          <span>OR</span>
          <div class="image-holder">
            <img id="drinks" class="mob-img img-fluid" src="https://picsum.photos/201">
          </div>
        </div>
      </div>
    </header>
    <ul class="actions special">
      <li><a href="#" class="button primary large" onclick="drawCard()">Draw 2 Cards</a></li><br>
    </ul>
  </div>
  <a href="#one" class="more">Learn More</a>
  <!-- <video src="images/banner.mp4" muted autoplay loop playsinline></video> -->
</section>


<!-- JS,Popper.js,and jQuery -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous">
</script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous">
</script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous">
</script>

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