2024-06-24 bootstrap RWD 初步了解

2024-06-24 bootstrap RWD 初步了解:

RWD 效果:bootstrap把裝置分成五個尺寸 ,

手機 直 .col-佔欄數 「預設值」
手機 横 .col-sm-佔欄數

平板 直 .col-md-佔欄數
平板 橫 .col-lg-佔欄數

桌機 .col-xl-佔欄數

bootstrap 把版面切成12等份,就是佔欄數

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<!-- 建構三欄有圖片的RWD 效果, 手機橫向不用設定,設定平版,因為大的會吃小的 , 圖片滿版,用img-fluid 的 class-->
<div class="container">
<div class="row">
<div class="col-12 col-md-4">
<div class="item">
<img src="https://picsum.photos/300/200/?random=3" class="img-fluid">
<h3>title</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. At beatae voluptas a reprehenderit corporis laborum illo laudantium saepe enim omnis?</p>
</div>
</div>
<div class="col-12 col-md-4">
<div class="item">
<img src="https://picsum.photos/300/200/?random=3" class="img-fluid">
<h3>title</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. At beatae voluptas a reprehenderit corporis laborum illo laudantium saepe enim omnis?</p>
</div>
</div>
<div class="col-12 col-md-4">
<div class="item">
<img src="https://picsum.photos/300/200/?random=3" class="img-fluid">
<h3>title</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. At beatae voluptas a reprehenderit corporis laborum illo laudantium saepe enim omnis?</p>
</div>
</div>
</div>

</div>