*红色标记的为默认值 border(边框):border-top,border-bottom, border-left,border-right 1.border-color(边框颜色); 2.border-width(边框粗细):medium|thin| thick|数值; ... css盒子模型 ---标签元素显示方式: display: none / block / inline /inline-block /table/flex; 隐藏 / 块级/ 行内 / 行内...
border style 边框样式 (none 没有 hidden 不明显的 dotted 点 dashed虚线 solid 固double两倍 groove压线 ridge脊insent coutset) border width 边框宽度 (thin medium(默认2px) thick length ) anchor 锚 (FrontPage里叫书签,Dreamweaver里叫命名锚记) 定位 float 浮动 float属性:left right none relative fixed ...
(你可以在随书光盘的 Inventory01.xml 档案中找到。)你可以在含有列表7-2 的页面上作个记号-因为该列表还会出现在本章的其它范例中,而你也将回来参考它。Inventory01.xml<?xml version="1.0"?><!--File Name:Inventory01.xml --><?xml-stylesheet type="text/css" href="Inventory01.css"?><INVENTORY><...
7.不要在注释内容中使“--” “--”只能发生在 XHTML 注释的开头和结束,也就是说,在内容中它们不再有效。例如下面的代码是无效的: <!--这里是注释---这里是注释--> 用等号或者空格替换内部的虚线。 <!--这里是注释===这里是注释--> 以上这些规范有的看上去比较奇怪,但这一切都是为了使我们的代码...
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href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app" target="_blank" rel="noopener noreferrer" > <Image aria-hidden src="https://nextjs.org/icons/file.svg" alt="File icon" width={16} height={16} /> Learn <Image...
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MARGIN: 0px; PADDING: 0px; BORDER: medium none; /*不显示边框*/ LINE-HEIGHT: normal; LIST-STYLE-TYPE: none; } #menu li {BORDER-TOP: #FFF 1px solid; MARGIN: 0px;} 说明:这里用的是id选择器的派生方法定义(参考第7天:CSS入门的介绍)了在menu层中的子元素和的样式。LIST-STYLE-TYPE: none...
1、CSS3 /* Small devices (portrait tablets and large phones, 600px and up) */ @media only screen and (min-width: 600px) { .example {background: green;} } /* Medium devices (landscap... 查看原文 用css3制作一个Music Player Menu ...