Beyond classes and IDs CSS also provides selectors to target element based on their attributes. In this lesson we'll look at selecting elements based on attributes and using CSS modifiers to identify variations of those values…
Image Opacity / Transparency The CSS opacity property is a part of the CSS3 recommendation. Example img { opacity: 0.4; filter: alpha(opacity=40); /* For IE8 and earlier */ } img:hover { opacity: 1.0; filter: alpha(opacity=100); /* For IE8 and earlie…
Just like pseudo-classes, pseudo-elements are added to selectors but instead of describing a special state, they allow you to style certain parts of an element. In this lesson we show how you can insert new content into the DOM using CSS pseudo eleme…
1.html tag = css selector 2.Define your own selectors in the form of class and ID selectors 3. .class identify more than one 4.#id identify one element 5.conjunction…
Attribute selectors are a particularly helpful subset of CSS selectors. They allow us to specify an element by one of its HTML attributes, such as a link's title attribute or an image's alt attribute. 属性选择器是一个相当有用css选择器的子集. 它允许我们通过一个元素的html属性去明确一个元素,…
一.web font web font是应用在web中的一种字体技术,在CSS中使用font-face定义新的字体.先了解操作系统中的字体: a).安装好操作系统后,会默认安装一些字体,这些字体文件描述了每一个文字的形态,一般中文文件大,英文文件小,因为中文字符数多:在控制面板中可以找到文字文件夹,在C:\Windows\Fonts下也可以直接找到.另外如果想让自己的电脑上有更加丰富的字体,可以下载新的字体文件后复制到改位置. b).我们在文档中显示的字体应该在系统中能找到才会正常显示,比如你在…
