6-CSS

HTML Style Tags

CSS stands for Cascading Style Sheets.

CSS describes how HTML elements are to be displayed on screen, paper, or in other media.

CSS saves a lot of work. It can control the layout of multiple web pages all at once.

CSS can be added to HTML elements in 3 ways:

  • Inline - by using the style attribute in HTML elements
  • Internal - by using a <style> element in the <head> section
  • External - by using an external CSS file
Tag Description
<style> Defines style information for an HTML document
<link> Defines a link between a document and an external resource
  • Use the HTML style attribute for inline styling
  • Use the HTML <style> element to define internal CSS
  • Use the HTML <link> element to refer to an external CSS file
  • Use the HTML <head> element to store <style> and <link> elements
  • Use the CSS color property for text colors
  • Use the CSS font-family property for text fonts
  • Use the CSS font-size property for text sizes
  • Use the CSS border property for borders
  • Use the CSS padding property for space inside the border
  • Use the CSS margin property for space outside the border
  •  <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Creating a bookmark</title>
    </head>
    <body>
    <
    <a href="#tips">Visit the useful Tips Section</a>
    <h2>Chapter 1</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 2</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 3</h2>
    <p>This chapter explains ba bla bla</p> <h2 >Chapter 4</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 5</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 6</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 7</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 8</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 9</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 10</h2>
    <p>This chapter explains ba bla bla</p> <h2 id="tips">Chapter 11</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 12</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 13</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 14</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 15</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 16</h2>
    <p>This chapter explains ba bla bla</p> <h2>Chapter 17</h2>
    <p>This chapter explains ba bla bla</p>
    </body>
    </html>
     <!DOCTYPE html>
    <html lang="en">
    <head>
    <style>
    body{background-color: #b3d4fc}
    h1{color: blue;
    font-family: "Arial Black";
    font-size: 300%}
    #p01{
    background-color: blueviolet;
    border: 5px solid blue;<!-- 定义边界宽度和颜色-->
    padding: 14px;<!-- 定义文字和边界之间的距离-->
    margin: 40 px;<!-- 定义边界外的文字文字和边界之间的距离-->
    color: red; font-size: 200%;
    font-family: "Arial Black"}
    p.info{
    background-color: yellow;
    color: rebeccapurple;
    font-size: 200px;
    }
    #a01:link{<!--定义了连接正常的显示样式-->
    color: yellowgreen;
    text-decoration: none;
    }
    #a01:hover{<!--定义了鼠标位于连接上方时候的显示样式-->
    color: yellow;
    background-color: transparent;
    text-decoration: underline;
    } </style>
    <meta charset="UTF-8">
    <title>Color</title>
    </head> <body> <h1 style="background-color: red"> <a id="a01" href="http://www.snowfox.wang/w3schools" target="_blank">
    This is a link to a website on the World Wide Web</a> </h1><!--href为增加超链接的标志,blank为重新打开一个窗口-->
    <h1 style="background-color: orange"><a href="2-Formating.html" target="_blank">Using the local link </a></h1>
    <h1 style="background-color: yellow">Background-color set by using yellow</h1>
    <h1 style="background-color: blue;color:red;" >Background-color set by using blue</h1>
    <p id="p01"<!--定义一个特殊的ID以区别其他的paragraph-->Hello everyone, I am JackSparrow and I am from Anhui Province</p>
    <p class="info">天天向上,好好学习</p> <p> Hello everyone, I am JackSparrow and I am from Anhui Province</p>
    </body>
    </html>

    6-CSS

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