2015-09-22CSS：border、background、表格、超链接、overflow、firebug_html/css_WEB-ITnose

      width:200px;      height:200px;      border:1px dashed red;

      width:200px;      height:200px;      border-right:1px dashed red;      border-left:1px dashed red;      border-top:1px solid red;      border-bottom:1px dotted red;

background-color:#0000FF;

background-image:url("../image/clear.png");

background-repeat:repeat;/*默认值*/

background-repeat:repeat-x;

background-repeat:repeat-y;

background-repeat:no-repeat;

background-position:50px 100px;

      background-repeat:no-repeat;      background-size:cover;

body{      background-image:url("../image/clear.png");      background-repeat:no-repeat;      background-attachment:fixed;}

<table border=“1”>    <caption>2004~2007年度收入</caption>    <tr><th>2004</th><th>2005</th><th>2006</th><th>2007</th></tr>    <tr><td>1234</td><td>2345</td><td>3456</td><td>4567</td></tr></table>

table{      caption-side:bottom;}

table{      border:1px solid red;}

th,td{      border:1px solid red;}

th,td{      border:1px solid red;}table{      border-collapse:collapse;}

th scope="col"th scope="row"

<table summary="This table shows the yearly income for years 2004 through 2007" border="1">      <caption>年度收入 2004 - 2007</caption>      <tr>           <th></th>           <th scope="col">2004</th>           <th scope="col">2005</th>           <th scope="col">2006</th>           <th scope="col">2007</th>      </tr>      <tr>           <th scope="row">拨款</th>           <td>11,980</td>           <td>12,650</td>           <td>9,700</td>           <td>10,600</td>      </tr>      <tr>           <th scope="row">捐款</th>           <td>4,780</td>           <td>4,989</td>           <td>6,700</td>           <td>6,590</td>      </tr>      <tr>           <th scope="row">投资</th>           <td>8,000</td>           <td>8,100</td>           <td>8,760</td>           <td>8,490</td>      </tr>      <tr>           <th scope="row">募捐</th>           <td>3,200</td>           <td>3,120</td>           <td>3,700</td>           <td>4,210</td>      </tr>      <tr>           <th scope="row">销售</th>           <td>28,400</td>           <td>27,100</td>           <td>27,950</td>           <td>29,050</td>      </tr>      <tr>           <th scope="row">杂费</th>           <td>2,100</td>           <td>1,900</td>           <td>1,300</td>           <td>1,760</td>      </tr>      <tr>           <th scope="row">总计</th>           <td>58,460</td>           <td>57,859</td>           <td>58,110</td>           <td>60,700</td>      </tr></table>

a{      text-decoration:none;}

a:link{      color:red;/*未访问时的颜色*/} a:visited{      color:green;/*已经访问过的颜色*/} a:hover{      color:blue;/*鼠标悬停的颜色*/      cursor:pointer;} a:active{      color:orange;/*鼠标点击时的颜色*/}