按百分比设置引导模式体高 [英] Set bootstrap modal body height by percentage

问题描述

我试图做一个模态与一个body，当内容变得太大时将滚动。但是，我想要模态响应屏幕尺寸。当我设置max-height为40％它没有效果。但是，如果我将max-height设置为400px它工作正常，但不响应。我相信我只是缺少一些简单的东西，但我似乎不能让它工作。

I am trying to make a modal with a body that will scroll when the content becomes too large. However, I want the modal to be responsive to the screen size. When I set the max-height to 40% it has no effect. However, if I set the max-height to 400px it works as expected, but is not responsive. I am sure I am just missing something simple, but I can't seem to get it to work.

这里是一个示例

无效：

.modal-body {
    max-height:40%; 
    overflow-y: auto;
}

工程：

.modal-body {
    max-height:400px; 
    overflow-y: auto;
}

推荐答案

p>

This worked for me

.modal-dialog,
.modal-content {
    /* 80% of window height */
    height: 80%;
}

.modal-body {
    /* 100% = dialog height, 120px = header + footer */
    max-height: calc(100% - 120px);
    overflow-y: scroll;
}

小提琴：http://jsfiddle.net/mehmetatas/18dpgqpb/2/

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