注意事项和Bootstarp_全局CSS样式_按钮&图片

container :两边留白

container-fluid :每一种设备都是100%宽度

注意∶
　　1.一行中如果格子数目超过12，则超出部分自动换行。

　　2，栅格类属性可以向上兼容。栅格类适用于与屏幕宽度大于或等于分界点大小的设备。

　　3．如果真实设备宽度小于了设置栅格类属性的设备代码的最小值，会一个元秦沾满一整行。

<div class="container">
        <div class="row">
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
<!--            <div class="col-lg-1 col-sm-2 inner">栅格</div>-->
                <div class="col-md-13 inner">栅格</div>
                <div class="col-md-1 inner">栅格</div>
        </div>
    </div>

Bootstarp_全局CSS样式_按钮&图片

按钮: class="btn btn-default"、

图片:
　　class="img-responsive”:图片在任意尺寸都占100%

　　　　图片形状

　　　　 <img src="../img/banner_1.jpg" class="img-responsive img-thumbnail">

　　　　　 <img src="../img/banner_1.jpg" class="img-responsive img-circle">

<!doctype html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>Bootstrap HelloBootstrap</title>
    <!-- Bootstrap -->
    <link rel="stylesheet" href="css/bootstrap.min.css">
    <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
    <script src="js/jquery-3.2.1.min.js"></script>
    <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
    <script src="js/bootstrap.min.js"></script>
    <style>
        .inner{
            border: 1px solid rebeccapurple;
        }
    </style>
</head>
<body>
    <a class="btn btn-default" href="#" >Link</a>
    <button class="btn btn-default" type="submit">Button</button>
    <input class="btn btn-default"  type="button" value="Input">
    <input class="btn btn-default" type="submit" value="Submit">

    <br>

    <!-- Provides extra visual weight and identifies the primary action in a set of buttons -->
    <button type="button" class="btn btn-primary">（首选项）Primary</button>

    <!-- Indicates a successful or positive action -->
    <button type="button" class="btn btn-success">（成功）Success</button>

    <!-- Contextual button for informational alert messages -->
    <button type="button" class="btn btn-info">（一般信息）Info</button>

    <!-- Indicates caution should be taken with this action -->
    <button type="button" class="btn btn-warning">（警告）Warning</button>

    <!-- Indicates a dangerous or potentially negative action -->
    <button type="button" class="btn btn-danger">（危险）Danger</button>

    <!-- Deemphasize a button by making it look like a link while maintaining button behavior -->
    <button type="button" class="btn btn-link">（链接）Link</button>
    <hr>
    <img src="../img/banner_1.jpg" class="img-responsive">
    <img src="../img/banner_1.jpg" class="img-responsive img-rounded">
    <img src="../img/banner_1.jpg" class="img-responsive img-thumbnail">
    <img src="../img/banner_1.jpg" class="img-responsive img-circle">
</body>
</html>

posted on 2022-08-05 17:16 淤泥不染阅读(15) 评论(0) 编辑收藏举报