css - Bootstrap 4 卡在多行上响应相同的高度

Question

我是设计和 Bootstrap 的新手，所以请耐心等待。

我想在所有行上都有一些高度和宽度相等（不是固定但响应式）的卡片，或者换句话说，所有卡片都应该与其中最大的卡片一样高和宽。欢迎任何解决方案，不限于 Bootstrap。在下面的示例中，在大屏幕上，行和卡片的高度越来越大，而在中等屏幕上，几乎每一行都有不同的高度：

<section>
    <div class="container">
        <div class="row">
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>

        </div>
    </div>
</section>

标签： cssbootstrap-4

Answer 1

如何使用卡片主体style="height: 200px; max-height: 200px; overflow-y: auto;"类添加到所有 div

这是代码：

<section>
    <div class="container">
        <div class="row">
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
            <div class="col-lg-4 col-md-6 my-3 d-flex">
                <div class="card h-100">
                    <img class="card-img-top" src="https://via.placeholder.com/340x440/4472c4/FFFFFF" alt="Card image cap">
                    <div class="card-body" style="height: 200px; max-height: 200px; overflow-y: auto;">
                        <h5 class="card-title">Card title</h5>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                        <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                </div>
            </div>
    
        </div>
    </div>
</section>

这将使所有行的高度相同。