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CSS没有选择正确的样式表

[英]Css doesn't pick the right stylesheet

 原文  2015-11-03 16:42:54  0   1    html/ css/ mobile/ media-queries

问题描述

我已经为移动屏幕尺寸创建了一个显示/隐藏菜单，但是现在我的CSS遇到了问题。 我做了不同的CSS内容，因此当您缩小站点尺寸时，您实际上可以看到更改。 但是，由于我创建了显示/隐藏菜单，因此我的代码不再选择正确的CSS样式表。 它只会在32em时选择我的媒体查询，但是我为90、78、63、49、40和32 em做了一个。 而且除了32个查询之外，其他每个查询都不选择。 为什么？？

的HTML 

<!DOCTYPE html>
<html class="no-js" lang="en">
<head>
    <meta charset="utf-8">
    <title>Artikelpagina</title>
    <link rel="stylesheet" href="Test-artikelpagina.css" type="text/css">
    <link rel="stylesheet" type="text/css" media="screen" href="MediaQ.css" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script>(function(){document.documentElement.className='js'})();</script>
</head>
<body>

    <!-- header met logo & navigatie -->
    <header class="welkom">
        <h1>CMD Amsterdam - Intranet</h1>
        <p>Communication and Multimedia Design is een ontwerpopleiding voor interactieve media in Amsterdam.</p>
        <img src="cmd_logo.png" alt="cmd logo">

        <nav id="nav" role="navigation">
           <div class="show_menu_btn" data-target="#nav ul" data-shown-text="Sluit menu" data-hidden-text="Open menu">Open menu</div>

            <ul>
                <li><a href="#">Home</a></li>
                <li><a href="#">Opleiding</a></li>
                <li><a href="#">Onderwijsprogramma</a></li>
                <li><a href="#">Organisatie</a></li>
                <li><a href="Formulier.html">Stages en projecten</a></li>
            </ul>
        </nav>

Java脚本 

var show_menu = document.querySelector('.show_menu_btn');

show_menu.addEventListener('click', function() {
var target = document.querySelector(show_menu.getAttribute('data-target'));

if (target.style.display == "none") {
    target.style.display = "block";
    show_menu.innerHTML = show_menu.getAttribute('data-shown-text');

} else {
    target.style.display = "none";
    show_menu.innerHTML = show_menu.getAttribute('data-hidden-text');
}
});

的CSS 

@media only screen and (max-width: 90em) {

.show_menu_btn {
    display: none;
}

#nav ul {
    display: block;
}

body {
    width: 100%;
    background-color: wheat;
    -webkit-flex-wrap: wrap;
}

main>article>section>img {
    width: 80%;
    height: 40%;
    transition: 1s ease-in-out;
}

main>article>section>img:hover {
    transform: scale(1.5,1.5);
}

body>.welkom>#nav {
    display: block;
    flex-wrap: nowrap;
}

body>.welkom>#nav>ul {
    background-color: transparent;
    list-style: none;
    display: inline-block;
    width: 100%;
    text-align: left;
    text-decoration: none;
    float: none;
    font-size: 1em;
    padding-left: 0em;
}

body>.welkom>#nav>ul>li {
    background-color: white;
    padding: 0.1em;
    position: relative;
    float: inherit;
    padding: 0.25em 1em;
    padding-bottom: 0.5em;
    margin: 0em 2em 1em 0em;
    text-align: center;
    width: 90%;
}

main>article>section>video {
    width: 100%;
}

main>article>header>picture>img {
    width: 100%;
    height: 100%;
}
}
/*-------------------------------------------------------------------*/
@media only screen and (max-width:78em) {
body {
    width:96%;
}

main {
    width: 71%;
}

footer {
    flex-direction: column;
    flex-wrap: wrap;
    padding: 1em;
}

#sitemap {
    margin-right: 1em;
    order: 1;
    width: 30%;
    margin-left: 0em;
}

#contact {
    margin-right: 1em;
    width: 30%;
    order: 3;
    margin-left: 0em;
}

#search {
    margin-right: 1em;
    order: 4;
    margin-left: 0em;
}

#about {
    margin-right: 1em;
    width: 30%;
    order: 2;
    margin-left: 0em;
}

#credits {
    order: 5;
}
}

/*-------------------------------------------------------------------*/
@media only screen and (max-width: 63em) {

.no-js .show_menu_btn {
    display: none;
}

.no-js #nav ul {
        display: block;
}

body {
    background-color: wheat;
    width: 96%;
    margin-left: 0.2em;
    margin-right: 0.2em;
    flex-direction: row;
    -webkit-flex-wrap: wrap;
}

body>.welkom {
    display: inline-block;
    flex-direction: row;
    vertical-align: top;
    padding: 1em;
    margin-bottom: 1em;
    background-color: #FFC844;
    position: relative;
    width: 100%;
}
body>.welkom>#nav {
    overflow: hidden;
}

body>.welkom>#nav>ul {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    font-size: 1em;
    border-radius: 0.5em;
    padding: 0.2em;
    text-decoration: none;
    list-style: none;
}

body>.welkom>nav>ul>li:first-of-type {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 10%;
}

body>.welkom>#nav>ul>li:nth-of-type(2) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 10%;
}

body>.welkom>#nav>ul>li:nth-of-type(3) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 25%;
}

body>.welkom>#nav>ul>li:nth-of-type(4) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 15%;
}

body>.welkom>#nav>ul>li:nth-of-type(5) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 20%;
}


main>article>section>img {
    width: 35%;
    height: 35%;
    float: left;
    padding-right: 1em;
}

main {
    display: inline-block;
    flex-direction: row;
    vertical-align: top;
    padding: 1em;
    margin-bottom: 1em;
    position: relative;
    width: 100%;
}

main>article>header {
    float: none;
}

main>article>header>picture>img {
    width: 50%;
    height: 50%;
    float: left;
    padding: 1em;
    padding-top: 0em;
    padding-bottom: 1em;
    padding-left: 0em;
}

main>article>section>video {
    width: 50%;
    height: 50%;
    display: block;
    margin: 0 auto;
}

.related {
    display: inline-block;
    flex-direction: row;
    vertical-align: top;
    margin-bottom: 1em;
    position: relative;
    width: 45%;
}

.related>article>section>ul>li {
    font-size: 0.7em;
}

article>section>ul>li a {
    display: inline-block;
    font-size: 1.5em;
}

main>form {
    width: 100%;
}

main>fieldset {
    padding-right: 0em;
    width: 100%;
}

aside {
    display: inline-block;
    flex-direction: row;
    vertical-align: top;
    margin-bottom: 1em;
    position: relative;
    width: 45%;
}

footer {
    flex-direction: column;
    flex-wrap: wrap;
    padding: 1em;
}

#sitemap {
    margin-right: 1em;
    order: 1;
    width: 30%;
    margin-left: 0em;
}

#contact {
    margin-right: 1em;
    width: 30%;
    order: 3;
    margin-left: 0em;
}

#search {
    margin-right: 1em;
    order: 4;
    margin-left: 0em;
}

#about {
    margin-right: 1em;
    width: 30%;
    order: 2;
    margin-left: 0em;
}

#credits {
    order: 5;
}

fieldset {
    width: 40%;
}
}

/*--------------------------------------------------------------------*/
@media only screen and (max-width: 49em) {

.no-js .show_menu_btn {
    display: none;
}

.no-js #nav ul {
        display: block;
}

body {
    width: 95%;
    background-color: green;
}

body>.welkom>#nav>ul {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    font-size: 1em;
    border-radius: 0.5em;
    padding: 0.5em;
    text-decoration: none;
    list-style: none;
}

body>.welkom>#nav>ul>li:first-of-type {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 10%;
}

body>.welkom>#nav>ul>li:nth-of-type(2) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 10%;
}

body>.welkom>#nav>ul>li:nth-of-type(3) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 25%;
}

body>.welkom>#nav>ul>li:nth-of-type(4) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 15%;
}

body>.welkom>#nav>ul>li:nth-of-type(5) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 20%;
}

body>.welkom>#nav>ul>li {
    font-size: 0.9em;
}

main {
    width: 100%;
    padding: 1em;
}

main>article>header>picture>img {
    display: none;
}

main>article>section>video {
    width: 100%;
}

main>article>section>img {
    width: 50%;
    margin-bottom: 0.5em;
}

.related {
    width: 100%;
    padding: 1em;
    float: none;
}

.related>article>section>ul>li:first-of-type + li {
font-size: 0.8em;
}

.mededelingen {
    border-radius: 0.5em;
    background-color: #FFC844;
    position: relative;
    float: none;
    display: inline-block;
    width: 100%;
    vertical-align: top;
    padding-right: 1em;
}

aside {
    width: 100%;
    float: none;
    padding: 1em;
}

.uitagenda {
    border-radius: 0.5em;
    background-color: #FFC844;
    position: relative;
    float: none;
    display: inline-block;
    width: 100%;
    vertical-align: top;
    padding-right: 1em;
}

footer {
    flex-direction: column;
    flex-wrap: wrap;
    padding: 1em;
}

#sitemap {
    margin-right: 1em;
    order: 1;
    width: 30%;
    margin-left: 0em;
}

#contact {
    margin-right: 1em;
    width: 30%;
    order: 3;
    margin-left: 0em;
}

#search {
    margin-right: 1em;
    order: 4;
    margin-left: 0em;
}

#about {
    margin-right: 1em;
    width: 30%;
    order: 2;
    margin-left: 0em;
}

#credits {
    order: 5;
}

#feedback {
    align-self: flex-end;
}
}

/*--------------------------------------------------------------------*/
@media screen and ( min-width: 40em ) {

.no-js .show_menu_btn {
    display: none;
}

.no-js #nav ul {
        display: block;
}

body {
    width: 93%;
    background-color: lavenderblush;
}

 body>.welkom>#nav>ul>li:first-of-type {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 10%;
    margin-right: 0em;
}

body>.welkom>#nav>ul>li:nth-of-type(2) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 15%;
    margin-right: 0em;
}

body>.welkom>#nav>ul>li:nth-of-type(3) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 26%;
    margin-right: 0em;
}

body>.welkom>#nav>ul>li:nth-of-type(4) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 15%;
}

body>.welkom>#nav>ul>li:nth-of-type(5) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 20%;
}

body>.welkom {
    display: inline-block;
    flex-direction: row;
    vertical-align: top;
    order: 1;
    padding: 1em;
    position: relative;
    width: 100%;
    margin: 0em;
}

body>.welkom>#nav {
    display: block;
    flex-wrap: nowrap;
}

body>.welkom>img {
    display: none;
}

.welkom>p {
    margin-top: 0em;
}

main {
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    margin-top: 1em;
    padding: 1em;
}
main>article>section>video {
    width: 100%;
}

main>article>section>img {
    width: 100%;
    height: 100%;
    padding-bottom: 0.5em;
}

label {
    width: 100%;
}

fieldset {
    width: 90%;
}

aside {
    display: flex;
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    margin-top: 1em;
    padding: 1em;
    float: none;
}

.related {
    display: flex;
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    float: none;
    margin-top: 1em;
    padding: 1em;
}

article>section>ul>li a {
    display: inline-block;
    font-size: 1.3em;
}

footer {
    display: flex;
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    padding: 0em;
}

#sitemap {
    order: 1;
    margin-right: 0em;
    -webkit-flex-wrap: wrap;
    margin-left: 1em;
    width: 100%;
}

#contact {
    order: 3;
    margin-right: 0em;
    -webkit-flex-wrap: wrap;
    width: 100%;
}

#search {
    order: 4;
    margin-right: 0em;
    -webkit-flex-wrap: wrap;
}

#about {
    order: 2;
    margin-right: 0em;
    width: 100%;
    padding-left: 0.5em;
    -webkit-flex-wrap: wrap;
}

#credits {
    order: 5;
    width: 100%;
    -webkit-flex-wrap: wrap;
}

#feedback {
    order: 6;
    -webkit-flex-wrap: wrap;
}

#about {
    margin-right: 1em;
    padding-left: 0.5em;
}

}
/*--------------------------------------------------------------------*/
@media only screen and (max-width: 32em) {

.no-js .show_menu_btn {
    display: none;
}

.no-js #nav ul {
        display: block;
}

.js .show_menu_btn {
    display: block;
}

.js #nav ul { display: none; }
}

.show_menu_btn {
    width: 75%;
    margin: 0 auto;
    padding: 0.3em;
    cursor: pointer;
    text-align: center;
    background: #88b47f;
}

#nav ul {
    display: block;
}

#nav ul li {
    display: block;
    text-align: center;
    border-bottom: 1px solid #6f6f7a;
}

#nav ul li:hover {
    background: #88b47f;
}

#nav ul a {
    display: block;
    font-size: 1em;
    color: #eee;
    border-bottom: none;
}


body {
    width: 90%;
    margin-right: 0;
    padding: 0;
    background-color: wheat;
}

body>.welkom {
    display: inline-block;
    flex-direction: row;
    vertical-align: top;
    order: 1;
    padding: 1em;
    margin-bottom: 1em;
    position: relative;
    width: 100%;
}

.welkom {
    background-image: url(Banner.jpg);
}

body>.welkom {
    margin-top: 0em;
    margin-bottom: 0em;
}

body>.welkom>#nav {
    display: block;
    flex-wrap: nowrap;
}

body>.welkom>#nav>ul {
    background-color: transparent;
    list-style: none;
    display: block;
    width: 100%;
    text-align: left;
    text-decoration: none;
    float: none;
    font-size: 1em;
}

body>.welkom>#nav>ul>li:first-of-type {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 100%;
}

body>.welkom>#nav>ul>li:nth-of-type(2) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 100%;
}

body>.welkom>#nav>ul>li:nth-of-type(3) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 100%;
}

body>.welkom>#nav>ul>li:nth-of-type(4) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 100%;
}

body>.welkom>#nav>ul>li:nth-of-type(5) {
    padding: 0em;
    background-color: white;
    border-radius: 0em;
    padding: 0.5em;
    margin: 0 .8em .8em 0;
    width: 100%;
}
body>.welkom>img {
    display: none;
}

.welkom>p:first-of-type {
    color: white;
}

.welkom>p {
    margin-top: 0em;
}

main {
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    margin-top: 1em;
    padding: 1em;
}

main>article>section>video {
    width: 100%;
}

main>article>section>img {
    width: 100%;
    height: 100%;
    padding-bottom: 0.5em;
}

label {
    width: 100%;
}

fieldset {
    width: 90%;
}

aside {
    display: flex;
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    margin-top: 1em;
    padding: 1em;
    float: none;
}

.related {
    display: flex;
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    float: none;
    margin-top: 1em;
    padding: 1em;
}

article>section>ul>li a {
    display: inline-block;
    font-size: 1.3em;
}

footer {
    display: flex;
    flex-direction: column;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    padding: 0em;
}

#sitemap {
    order: 1;
    margin-right: 0em;
    -webkit-flex-wrap: wrap;
    margin-left: 1em;
    width: 100%;
}

#contact {
    order: 3;
    margin-right: 0em;
    -webkit-flex-wrap: wrap;
    width: 100%;
}

#search {
    order: 4;
    margin-right: 0em;
    -webkit-flex-wrap: wrap;
}

#about {
    order: 2;
    margin-right: 0em;
    width: 100%;
    padding-left: 0.5em;
    -webkit-flex-wrap: wrap;
}

#credits {
    order: 5;
    width: 100%;
    -webkit-flex-wrap: wrap;
}

#feedback {
    order: 6;
    -webkit-flex-wrap: wrap;
}

#about {
    margin-right: 1em;
    padding-left: 0.5em;
}
}

1 个解决方案

解决方案1
 0 已采纳  2015-11-03 16:56:48

您在本节中有一个额外的结束括号 

@media only screen and (max-width: 32em) {
  .no-js .show_menu_btn {
      display: none;
  }
  .no-js #nav ul {
      display: block;
  }
  .js .show_menu_btn {
      display: block;
  }
  .js #nav ul {
    display: none;
  }
} /* this right here, take it out */ 
... /* more code here */
} /* closing bracket */

因此，该括号之后的其余样式均不在媒体查询范围内，并且无论如何 

 var show_menu = document.querySelector('.show_menu_btn'); show_menu.addEventListener('click', function () { var target = document.querySelector(show_menu.getAttribute('data-target')); if (target.style.display == "none") { target.style.display = "block"; show_menu.innerHTML = show_menu.getAttribute('data-shown-text'); } else { target.style.display = "none"; show_menu.innerHTML = show_menu.getAttribute('data-hidden-text'); } }); 
 @media only screen and (max-width: 90em) { body { background: red; } } /*-------------------------------------------------------------------*/ @media only screen and (max-width:78em) { body { width:96%; background-color: blue; } } /*-------------------------------------------------------------------*/ @media only screen and (max-width: 63em) { body { background-color: yellow; } } /*--------------------------------------------------------------------*/ @media only screen and (max-width: 49em) { body { width: 95%; background-color: green; } } /*--------------------------------------------------------------------*/ @media screen and (max-width: 40em) { body { width: 93%; background-color: lavenderblush; } } /*--------------------------------------------------------------------*/ @media only screen and (max-width: 32em) { body { width: 90%; background-color: gray; } } 
 <header class="welkom"> <h1>CMD Amsterdam - Intranet</h1> <p>Communication and Multimedia Design is een ontwerpopleiding voor interactieve media in Amsterdam.</p> <img src="cmd_logo.png" alt="cmd logo"> <nav id="nav" role="navigation"> <div class="show_menu_btn" data-target="#nav ul" data-shown-text="Sluit menu" data-hidden-text="Open menu">Open menu</div> <ul> <li><a href="#">Home</a> </li> <li><a href="#">Opleiding</a> </li> <li><a href="#">Onderwijsprogramma</a> </li> <li><a href="#">Organisatie</a> </li> <li><a href="Formulier.html">Stages en projecten</a> </li> </ul> </nav>

更新： min-width: 40em应该是max-width: 40em

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