我正在使用CSS构建我的第一个站点(如果你想看看这个问题的实际情况,请使用www.craigdoesdata.de),所以如果这是显而易见的或者已经被回答了,我深表歉意(尽管我已经花了很长时间寻找,但找不到答案)。
我正在使用Bootstrap,并在我的custom.css文件中调整了.bg-dark的背景色,如下所示:
.bg-dark {
background-color: #21618c !important;
}这适用于桌面、导航栏和页脚等的更改。然而,在移动设备上,默认的bg-暗颜色(#343a40)会出现。当我检查元素时,它们指向_background-variant.scss,它仍然指定:
.bg-dark {
background-color: #343a40 !important;
}我把我的custom.css加载到html标题的最后,我认为这意味着它有优先权,这在桌面上是有效的。但是,这里一定有我遗漏了什么,这意味着移动版本没有使用我的custom.css样式表?
这是我写的HTML:
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<!-- Add icon library -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- Custom CSS -->
<link rel="stylesheet" type="text/css" href="css/custom.css">
<title>Craig Does Data | About</title>
</head>
<body>
<!-- Start Navigation -->
<nav class="navbar fixed-top navbar-expand-lg navbar-dark bg-dark fixed-top">
<!-- Start Container -->
<div class="container">
<!-- Nav Brand -->
<a class="navbar-brand" href="index.html">
<img src="img/logo/logo w on blue.png" alt="The logo for Craig Does Data" height="40">
</a>
<!-- Start Button -->
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle Navigation">
<span class="navbar-toggler-icon"></span>
</button>
<!-- End Button -->
<!-- Start Links -->
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<!-- Home -->
<li class="nav-item">
<a class="nav-link" href=index.html>Home</a>
</li>
<!-- Services -->
<li class="nav-item">
<a class="nav-link" href=blog.html>Blog</a>
</li>
<!-- Portfolio -->
<li class="nav-item">
<a class="nav-link" href=projects.html>Projects</a>
</li>
<!-- About -->
<li class="nav-item">
<a class="nav-link" href=about.html>About</a>
</li>
<!-- Contact -->
<li class="nav-item">
<a class="nav-link" href=contact.html>Contact</a>
</li>
</ul>
</div>
<!-- End Links -->
</div>
</nav>
<!-- End Navigation -->
<!-- Start Container -->
<div class="container">
</div>
<!-- End Container -->
<br>
<!-- Footer -->
<footer class="py-5 bg-dark">
<div class="container">
<p class="m-0 text-center text-white">Copyright © Craig Dickson 2020</p>
<!--Twitter-->
<div align="center">
<a href="http://www.twitter.com/craigdoesdata" target="_blank" class="fa fa-twitter"></a>
<!--GitHub-->
<a href="https://github.com/thecraigd" target="_blank" class="fa fa-github"></a>
<!--Medium-->
<a href="https://medium.com/@thecraigdickson" target="_blank" class="fa fa-medium"></a>
<!--LinkedIn-->
<a href="https://www.linkedin.com/in/dicksoncraig/" target="_blank" class="fa fa-linkedin"></a>
</div>
</div>
</footer>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
</body>
</html>这是custom.css
/* Start Global Styles */
body {
padding: 1em;
}
@media (min-width: 992px) {
body{
padding-top: 56px;
}
.carousel-item {
height: 65vh;
min-height: 300px;
background: no-repeat center center scroll;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
.portfolio-item {
margin-bottom:30px;
}
/* End Global Styles */
/* My colour palette (from htmlcolorcodes.com) */
/* color-4 is my primary, color-3 for hovers */
.color-1 {color: #d2b4de;}
.color-2 {color: #5b2c6f;}
.color-3 {color: #aed6f1;}
.color-4 {color: #21618c;}
.color-5 {color: #76d7c4;}
.color-6 {color: #117864;}
/* Navigation Background Colour */
.bg-dark {
background-color: #21618c !important;
}
/* Call to Action ('Contact me' on index.html) Button State */
.btn-secondary {
color: #fff;
background-color: #21618c;
border-color: #21618c;
}
.btn-secondary:hover {
color: #fff;
background-color: #5499c7;
border-color: #5499c7;
}
/* Button Hover State */
.btn-primary:hover {
color: #fff;
background-color: #5499c7;
border-color: #5499c7;
}
/* Button normal state */
.btn-primary {
color: #fff;
background-color: #21618c;
border-color: #21618c;
}
/* Nav Link Colour */
.navbar-dark .navbar-nav .nav-link:focus, .navbar-dark .navbar-nav .nav-link:hover {
color: white;
}
.navbar-dark .navbar-nav .nav-link {
color: black;
}提前感谢您的帮助!
发布于 2020-05-21 19:51:53
您可以在media-query中使用样式。例如,看看我在检查你的网站时得到的这个。此处正在使用媒体查询
@media (min-width: 992px)
.btn-secondary {
color: #fff;
background-color: #21618c;
border-color: #21618c;
}因此,当设备宽度低于992px时,它将采用默认颜色值,而不是您在custom.css中指定的被覆盖的值。
https://stackoverflow.com/questions/61933478
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