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如何使头部的图片、文字和按钮具有响应式
P粉604507867
P粉604507867 2023-09-17 09:51:15
[CSS3讨论组]
0 1 798
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我正在使用 Bootstrap 5 制作一个网站。在网站的标题中，我使用 Bootstrap 中的轮播作为我的标题。轮播图像还允许显示文本和按钮。我希望图像、文本和按钮具有响应能力。我尝试使用媒体查询，但我不知道该怎么做。

测试.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />

<title>Home | </title>

<meta name="description" content="Write an awesome description for your new site here. It will appear in your document head meta (for Google search results) and in your feed.xml site description." />

<link rel="stylesheet" href="/_bridgetown/static/css/main.c7d4dd3f1984a290e9be.css" />
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" 
href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<link rel="stylesheet" 
href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<link rel="stylesheet" href="../css/index.css" />
<!-- <link rel="stylesheet" href="./css/dropdown.css" /> -->

<link
          rel="stylesheet"
          data-purpose="Layout StyleSheet"
          title="Default"
    disabled
          href="/css/app-937c1ff7d52fd6f78dd9322599e2b5d4.css?vsn=d"
        >
        <link
          rel="stylesheet"
          data-purpose="Layout StyleSheet"
          title="Web Awesome"

          href="/css/app-wa-8d95b745961f6b33ab3aa1b98a45291a.css?vsn=d"
        >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/all.css"
          >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/sharp-solid.css"
          >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/sharp-regular.css"
          >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/sharp-light.css"
          >
        <link rel="icon" type="image/x-icon" href="/Bootstrap-Project/images/favicon-32x32.png">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>


  </head>
  <body>
    <!-- SHOWCASE START -->
    <section>
      <div id="herocarousel" class="carousel slide" data-bs-ride="carousel" >
        <div class="carousel-indicators">
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="1" aria-label="Slide 2"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="2" aria-label="Slide 3"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="3" aria-label="Slide 4"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="4" aria-label="Slide 5"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="5" aria-label="Slide 6"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="6" aria-label="Slide 7"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="7" aria-label="Slide 8"></button>
        </div>
        <div class="carousel-inner">
          <div class="carousel-item active c-item">
          <img src="./assets/networking-connections-004.jpeg" class="d-block w-100 c-img" alt="...">
          <div class="carousel-caption top-0 mt-4">
            <p class="mt-5 text-uppercase" id="sub-header">Get your unique solution</p>
            <h1 class="display-1 fw-bolder text-capitalize">Project___ Name_____</h1>
            <button class="btn btn-primary px-4 py-2 fs-5 mt-5" id="button">Submit&nbsp;a&nbsp;Ticket</button>
            </div>
          </div>
         
        </div>
        <button class="carousel-control-prev" type="button" data-bs-target="#herocarousel" data-bs-slide="prev">
          <span class="carousel-control-prev-icon" aria-hidden="true"></span>
          <span class="visually-hidden">Previous</span>
        </button>
        <button class="carousel-control-next" type="button" data-bs-target="#herocarousel" data-bs-slide="next">
          <span class="carousel-control-next-icon" aria-hidden="true"></span>
          <span class="visually-hidden">Next</span>
        </button>
        </div> 
    </section>
    <!-- SHOWCASE CLOSE -->
  </body>
</html>

测试.css

.c-item {
    height: 90%;
}

.c-img {
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

#team-img {
    height: 100%;
    object-fit: cover;
}


.c-item {
    height: 90%;
}

.c-img {
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

#team-img {
    height: 100%;
    object-fit: cover;
}
<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />

<title>Home | </title>

<meta name="description" content="Write an awesome description for your new site here. It will appear in your document head meta (for Google search results) and in your feed.xml site description." />

<link rel="stylesheet" href="/_bridgetown/static/css/main.c7d4dd3f1984a290e9be.css" />
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" 
href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<link rel="stylesheet" 
href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<link rel="stylesheet" href="../css/index.css" />
<!-- <link rel="stylesheet" href="./css/dropdown.css" /> -->

<link
          rel="stylesheet"
          data-purpose="Layout StyleSheet"
          title="Default"
    disabled
          href="/css/app-937c1ff7d52fd6f78dd9322599e2b5d4.css?vsn=d"
        >
        <link
          rel="stylesheet"
          data-purpose="Layout StyleSheet"
          title="Web Awesome"

          href="/css/app-wa-8d95b745961f6b33ab3aa1b98a45291a.css?vsn=d"
        >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/all.css"
          >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/sharp-solid.css"
          >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/sharp-regular.css"
          >

          <link
            rel="stylesheet"

            href="https://site-assets.fontawesome.com/releases/v6.4.0/css/sharp-light.css"
          >
        <link rel="icon" type="image/x-icon" href="/Bootstrap-Project/images/favicon-32x32.png">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>


  </head>
  <body>
    <!-- SHOWCASE START -->
    <section>
      <div id="herocarousel" class="carousel slide" data-bs-ride="carousel" >
        <div class="carousel-indicators">
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="1" aria-label="Slide 2"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="2" aria-label="Slide 3"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="3" aria-label="Slide 4"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="4" aria-label="Slide 5"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="5" aria-label="Slide 6"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="6" aria-label="Slide 7"></button>
          <button type="button" data-bs-target="#herocarousel" data-bs-slide-to="7" aria-label="Slide 8"></button>
        </div>
        <div class="carousel-inner">
          <div class="carousel-item active c-item">
          <img src="./assets/networking-connections-004.jpeg" class="d-block w-100 c-img" alt="...">
          <div class="carousel-caption top-0 mt-4">
            <p class="mt-5 text-uppercase" id="sub-header">Get your unique solution</p>
            <h1 class="display-1 fw-bolder text-capitalize">Project___ Name_____</h1>
            <button class="btn btn-primary px-4 py-2 fs-5 mt-5" id="button">Submit&nbsp;a&nbsp;Ticket</button>
            </div>
          </div>
         
        </div>
        <button class="carousel-control-prev" type="button" data-bs-target="#herocarousel" data-bs-slide="prev">
          <span class="carousel-control-prev-icon" aria-hidden="true"></span>
          <span class="visually-hidden">Previous</span>
        </button>
        <button class="carousel-control-next" type="button" data-bs-target="#herocarousel" data-bs-slide="next">
          <span class="carousel-control-next-icon" aria-hidden="true"></span>
          <span class="visually-hidden">Next</span>
        </button>
        </div> 
    </section>
    <!-- SHOWCASE CLOSE -->
  </body>
</html>

P粉604507867
P粉604507867

全部回复(1)
P粉221046425
P粉2210464252023-09-18 00:52:56 1楼

媒体查询的写法如下：

@media screen and (min-width: 900px) {
 .carousel-inner{
  color:#000;
  }
}

我发现在使用bootstrap时，你需要在最后添加!important才能被读取：

@media screen and (min-width: 900px) {
 .carousel-inner{
  color:#000 !important;
  }
}

如果想了解更多关于媒体查询的内容，请查看这篇文章：https://www.w3schools.com/css/css3_mediaqueries.asp

(显然，你可能不是想改变字体颜色，这只是一个例子。)

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