HTML5学习笔记HTML知识备忘录_html/css_WEB-ITnose
声明:本文大多数知识是从慕课网摘录而来,加了一点自己的注释
1.
m> 斜体
2.在 html 代码中输入回车、空格都是没有作用的。在html文本中想输入回车换行,就必须输入
3.可恶的空格在HTML中只能这样写→   ;
4.
5.初识CSS单选框 若type="checkbox" 则为复选框
css 样式由选择符和声明组成,而声明又由属性和值组成,如下图所示:
CSS
选择符:又称选择器,指明网页中要应用样式规则的元素,如本例中是网页中所有的段(p)的文字将变成蓝色,而其他的元素(如ol)不会受到影响。
6. CSS中的注释就像在Html的注释一样,在CSS中也有注释语句:用/注释语句/来标明(Html中使用)。就像下面代码:
CSS注释
7.嵌入式嵌入式css样式,就是可以把css样式代码写在标签之间。如下面代码实现把三个标签中的文字设置为红色:
嵌入式css样式必须写在之间,并且一般情况下嵌入式css样式写在
之间 8. 外部式外部式css样式(也可称为外联式)就是把css代码写一个单独的外部文件中,这个css样式文件以“.css”为扩展名,在
内(不是在
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