【问题标题】:Bootstrap main header with image background带有图像背景的引导程序主标题
【发布时间】:2019-02-11 23:43:28
【问题描述】:

我有一个包含导航栏的简单主标题,我想要主标题的图像背景。

这里是 jsfidle:http://jsfiddle.net/Mwanitete/fgkq759n/8/

这里是html:

   <div class="marketing-main-header_banner">
            <nav class="navbar navbar-expand-lg navbar-light bg-light">
                <a class="navbar-brand" href="#">Navbar</a>
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav"
                    aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>
                <div class="collapse navbar-collapse" id="navbarNav">
                    <ul class="navbar-nav ml-auto">
                        <li class="nav-item active">
                            <a class="nav-link" href="#">Dla kogo <span class="sr-only">(current)</span></a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link" href="#">Agenda</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link" href="#">Prowadzacy</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled" href="#">Faq</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled" href="#">Kontakt</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled" href="#">Kompetencje</a>
                        </li>
                    </ul>
                </div>
            </nav>
        </div>

这里是css

html, body{
    height: 100%;
    margin: 0px;
}
* {
    box-sizing: border-box;
}
.marketing-main-header_banner{
    background-image: url("https://thumb.ibb.co/eodzqU/Path_47.png" alt="Path_47");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 100% 100%;
    position: relative;
    height: 900px;

}

这是我所拥有的:

我的解决方案在顶部显示导航栏,而图像在导航栏下方?

这就是我想要的:

我的代码中缺少什么???

【问题讨论】:

  • 您的alt= 中有background-image: stackoverflow.com/questions/10950221/…
  • 添加为解决方案我会接受的
  • 您知道您可以为自己保存一个 http 请求,并将其设置为接近匹配该模式的渐变背景。你有兴趣看看吗?

标签: html css bootstrap-4


【解决方案1】:

试试

.navbar-custom {
    background-color: rgba(0,0,0,0);
}

然后将 navbar-custom 类添加到您的开始标签中,像这样

<nav class="navbar navbar-expand-lg navbar-light bg-light navbar-custom">

希望这会奏效。

【讨论】:

  • 它可能被覆盖了,我现在改变了答案
  • 是的被 bg-light 覆盖了,删除它有效但不完美,右侧有边距
【解决方案2】:

您可以尝试使用此代码,我希望它会起作用!

<div class="marketing-main-header_banner">
            <nav class="navbar fixed-top navbar-light bg-light">
                <a class="navbar-brand" href="#">Navbar</a>
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav"
                    aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>
                <div class="collapse navbar-collapse" id="navbarNav">
                    <ul class="navbar-nav ml-auto">
                        <li class="nav-item active">
                            <a class="nav-link" href="#">Dla kogo <span class="sr-only">(current)</span></a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link" href="#">Agenda</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link" href="#">Prowadzacy</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled" href="#">Faq</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled" href="#">Kontakt</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled" href="#">Kompetencje</a>
                        </li>
                    </ul>
                </div>
            </nav>
        </div>

【讨论】:

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