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html - 为什么我的外部 CSS 没有被应用?

转载 作者:行者123 更新时间:2023-11-28 03:49:44 25 4
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我正在尝试使用带有选项卡的 w3school 示例,我的问题是当我将 css 部分移动到另一个文件(扩展名为 .ccs)时,这不起作用。

HTML + Java

 <!DOCTYPE html>
<html>
<head>
</head>
<body>
<link rel="stylesheet" type="text/css" href="css.css">
<div class="tab">
<button class="tablinks" onclick="openCity(event, 'London')" id="defaultOpen">London</button>
<button class="tablinks" onclick="openCity(event, 'Paris')">Paris</button>
<button class="tablinks" onclick="openCity(event, 'Tokyo')">Tokyo</button>
</div>

<div id="London" class="tabcontent">
<h3>London</h3>
<p>London is the capital city of England.</p>
</div>

<div id="Paris" class="tabcontent">
<h3>Paris</h3>
<p>Paris is the capital of France.</p>
</div>

<div id="Tokyo" class="tabcontent">
<h3>Tokyo</h3>
<p>Tokyo is the capital of Japan.</p>
</div>

<script>
function openCity(evt, cityName) {
var i, tabcontent, tablinks;
tabcontent = document.getElementsByClassName("tabcontent");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablinks");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
document.getElementById(cityName).style.display = "block";
evt.currentTarget.className += " active";
}

// Get the element with id="defaultOpen" and click on it
document.getElementById("defaultOpen").click();
</script>

</body>
</html>

外部 CSS(名为 css.css)

    body {font-family: "Lato", sans-serif;}

/* Style the tab */
div.tab {
overflow: hidden;
border: 1px solid #ccc;
background-color: #f1f1f1;
}

/* Style the buttons inside the tab */
div.tab button {
background-color: inherit;
float: left;
border: none;
outline: none;
cursor: pointer;
padding: 14px 16px;
transition: 0.3s;
font-size: 17px;
}

/* Change background color of buttons on hover */
div.tab button:hover {
background-color: #ddd;
}

/* Create an active/current tablink class */
div.tab button.active {
background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
display: none;
padding: 6px 12px;
border: 1px solid #ccc;
border-top: none;
}

很抱歉这个基本问题,我正在努力自学

最佳答案

它似乎对我有用,尝试将以下文本添加到您的 CSS 中,您会看到它有效

#伦敦{
字体大小:4.5em;
}

关于html - 为什么我的外部 CSS 没有被应用?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43789350/

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