<title>W3.CSS</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css"> <body> <div class="w3-container"> <div class="w3-card w3-section"> <header class="w3-container w3-teal"...
div.ex1 { background-color: lightblue; width: 110px; height: 110px; overflow: scroll; } div.ex2 { background-color: lightblue; width: 110px; height: 110px; overflow: hidden; } div.ex3 { background-color: lightblue; width: 110px; height: 110px; overflow: auto; } ...
CSSLayout - width and max-width Link to W3Schools width, max-width, margin: auto 玩法 之前有说过, margin: auto 可以让 div 居中 借助div display block 的特性, 它的 width 一定是撑完整个 line 的, 于是 set 一个 max-width 就可以限制它的不要去去到完. div 有了 width + margin auto 就居...
CSS Shadow Effects Link to W3Schools Text Shadow h1 { text-shadow: 2px 2px 5px red; } 分别代表: horizontal, vertical, blur, color 没有blur 的情况下, shadow 就是这样的, 看得出原理了. 通过逗号就可以写 multiple shadow 了. Box Shadow div { box-shadow: 10px 10px 5px 12px grey in...
<table border="1" width="593" id="ccblanktable" align="center"> <tr bgcolor="#E4E5E5"> <th width="15%"></th> <th width="20%"></th> <th width="23%"></th> <th width="12%"></th> <th width="23%"></th> <th width="7%"></th> </tr> </table> </div></div...
<div align="center"> <table style="text-align: left; width: 100%;" border="0" cellpadding="2" cellspacing="2"> <tbody> <tr> <td style="width:70%";><p id="traceMsg">traceLog goes here:</p> </td> <td style="width:30%";> <canvas id="canvas" width="300" height="300...
text-align: center; padding: 5px 0; border-radius: 6px; /* Position the tooltip text - see examples below! */ position: absolute; z-index: 1;}/* Show the tooltip text when you mouse over the tooltip container */.tooltip:hover .tooltiptext { visibility: visible;}</style><div class...
YouTube 通过多个视频来教授课程（教程）并为您提供无限的娱乐。事实上，YouTube 年龄限制通过阻止有害或冒犯性视频、粗俗语言和图形内容，避免他们观看任何不适当的内容，甚至是错误或意外地观看，从而确保为孩子提供合适且更安全的数字环境。
background-position: center; background-repeat: no-repeat; background-size: cover; } </style> </head> <body> <div class="parallax"></div> <div style="height:1000px;background-color:red;font-size:36px"> Scroll Up and Down this page to see the parallax scrolling effect. ...
<link rel="stylesheet" href="/w3css/4/w3.css"> <html> <style> .w3-half {height:280px;padding-top:16px} </style> <body> <div class="w3-row"> <div class="w3-half w3-center" style="background:#a2b9bc"> <p class="w3-xxlarge"><b>ON TOUR</b></p> <p class=...