w3.css更改我的自定义样式

Question

I am using the following html code with wordpress for creating tabs. 我将以下html代码与wordpress一起使用来创建标签。 I am also using a custom css which tries to modify some of the title formats. 我也在使用自定义的CSS，它试图修改某些标题格式。 When I remove the 4th line of the following code () my style works fine. 当我删除以下代码（）的第四行时，我的样式正常。 But when I include this line my styles are changing, including the font type. 但是，当我包括这行内容时，我的样式就会发生变化，包括字体类型。 How can I resolve this? 我该如何解决？

         <html>
         <title>W3.CSS</title>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <link rel="stylesheet" href="http://www.w3schools.com/lib/w3.css"/>
         <body>

         <div class="w3-container" style="margin-top: -50px;">
           <ul class="w3-navbar w3-black">
             <li><a href="javascript:void(0)" class="tablink w3-blue" onclick="openCity(event, 'London');">London</a></li>
             <li><a href="javascript:void(0)" class="tablink" onclick="openCity(event, 'Paris');">Paris</a></li>
             <li><a href="javascript:void(0)" class="tablink" onclick="openCity(event, 'Tokyo');">Tokyo</a></li>
           </ul>

           <div id="London" class="w3-container w3-border city">
             <h2>London</h2>
             <p>London is the capital city of England.</p>
           </div>

           <div id="Paris" class="w3-container w3-border city" style="display:none">
             <h2>Paris</h2>
             <p>Paris is the capital of France.</p> 
           </div>

           <div id="Tokyo" class="w3-container w3-border city" style="display:none">
             <h2>Tokyo</h2>
             <p>Tokyo is the capital of Japan.</p>
           </div>
         </div>

         <script>
         function openCity(evt, cityName) {
           var i, x, tablinks;
           x = document.getElementsByClassName("city");
           for (i = 0; i < x.length; i++) {
               x[i].style.display = "none";
           }
           tablinks = document.getElementsByClassName("tablink");
           for (i = 0; i < x.length; i++) {
               tablinks[i].className = tablinks[i].className.replace(" w3-red", "");
           }
           document.getElementById(cityName).style.display = "block";
           evt.currentTarget.className += " w3-red";
         }
         </script>
         </body>
         </html>

Answer 1

I have also faced same problem and found solution 我也遇到了同样的问题并找到了解决方案

open up your w3.css file and remove styles applied globally. 打开w3.css文件并删除全局应用的样式。

like html{ //styles} 像html {// styles}

body{styles }. 正文{styles}。

just keep styles applied based on classes. 只需保持基于类的样式即可。 like .w3-green{ //styles}. 例如.w3-green {// styles}。 w3-input{ //styles} w3-input {// styles}

In your case remove lines from 1 to 37 in w3.css file then it will work fine without changing your styles 在您的情况下，请删除w3.css文件中从1到37的行，然后在不更改样式的情况下可以正常工作

w3.css更改我的自定义样式

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w3.css更改我的自定义样式

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