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2024-07-12
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Pemilih CSS: pilih tag yang sesuai di halaman (dokumen) dan atur gayanya
- //*:通配符选择器,选择页面中所有的标签
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <style type="text/css">
- *{
- color: red;
- }
- </style>
- </head>
- <body>
- <h1>一级标签</h1>
- <h2>二级标签</h2>
- <p>用良心做教育</p>
- <p>做真实的自己</p>
- <span>匠心育人</span>
- <span>初心至善</span>
- </body>
- </html>
Pemilih dasar dibagi menjadi pemilih tag, pemilih kelas, dan pemilih ID.
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- p{
- color: #FF0000;
- }
- </style>
- <body>
- <h1>一级标签</h1>
- <p>用良心做教育</p>
- <span>匠心育人</span>
- </body>
- </html>
Untuk ... mulai
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <style type="text/css">
- .myclass{
- color: #FF0000;
- }
- </style>
- </head>
- <body>
- <h1 class="myclass">一级标签</h1>
- <h2>二级标签</h2>
- </body>
- </html>
Dimulai dengan #, idnya unik
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- #myid{
- color: #FF0000;
- }
- </style>
- <body>
- <h1 id="myid">一级标签</h1>
- <h2>二级标签</h2>
- </body>
- </html>
-
Pemilih ID > Pemilih Kelas > Pemilih Tag
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- h1,h3,h5,p{color: red;}
- </style>
- <body>
- <h1>一级标签</h1>
- <h2>二级标签</h2>
- <h3>三级标签</h3>
- <h4>四级标签</h4>
- <h5>五级标签</h5>
- <h6>六级标签</h6>
- <p>用良心做教育</p>
- <p>做真实的自己</p>
- </body>
- </html>
Juga dikenal sebagai penyeleksi kontekstual
Dibagi menjadi penyeleksi keturunan, penyeleksi keturunan, dan penyeleksi saudara yang berdekatan
Perhatikan penggunaan spasi
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- ul a{
- color: red;
- }
- </style>
- <body>
- <ul>
- <li>
- <a href="#">超链接1</a>
- </li>
- <li>
- <a href="#">超链接2</a>
- </li>
- <li>
- <a href="#">超链接3</a>
- </li>
- </ul>
-
- <ul>
- <li>
- <a href="#">超链接4</a>
- </li>
- <li>
- <a href="#">超链接5</a>
- </li>
- <li>
- <a href="#">超链接6</a>
- </li>
- </ul>
-
- <a href="#">超链接7</a>
- <a href="#">超链接8</a>
- <a href="#">超链接9</a>
- </body>
- </html>
-
CATATAN: Gunakan simbol >
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- li>a{
- color: red;
- }
- </style>
- <body>
- <ul>
- <li>
- <a href="#">超链接1</a>
- </li>
- <li>
- <a href="#">超链接2</a>
- </li>
- <li>
- <a href="#">超链接3</a>
- </li>
- </ul>
-
- <ul>
- <li>
- <a href="#">超链接4</a>
- </li>
- <li>
- <a href="#">超链接5</a>
- </li>
- <li>
- <a href="#">超链接6</a>
- </li>
- </ul>
-
- <a href="#">超链接7</a>
- <a href="#">超链接8</a>
- <a href="#">超链接9</a>
- </body>
- </html>
-
Perhatikan penggunaan tanda +
Gaya bertindak berdasarkan yang terakhir
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <style type="text/css">
- a+a{
- color: red;
- }
- </style>
- </head>
- <body>
-
- <ul>
- <li>
- <a href="#">超链接1</a>
- </li>
- <li>
- <a href="#">超链接2</a>
- </li>
- <li>
- <a href="#">超链接3</a>
- </li>
- </ul>
-
- <ul>
- <li>
- <a href="#">超链接4</a>
- </li>
- <li>
- <a href="#">超链接5</a>
- </li>
- <li>
- <a href="#">超链接6</a>
- </li>
- </ul>
-
- <a href="#">超链接7</a>
- <a href="#">超链接8</a>
- <a href="#">超链接9</a>
- </body>
- </html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <style type="text/css">
- /*
- * 属性选择器
- *
- * 单个属性的属性选择器:
- * input[placeholder]{color: red;}
- *
- * 单个属性+值的属性选择器:
- * input[type="text"]{color: red;}
- *
- * 多个属性的属性选择器:
- * input[name][placeholder]{color: red;}
- *
- * 多个属性+值的属性选择器:
- * input[type="text"][placeholder]{color: red;}
- * input[type="text"][placeholder="请输入账号..."]{color: red;}s
- */
-
- </style>
- </head>
- <body>
- <form action="服务器地址" method="post">
-
- 账号:<input type="text" name="username" placeholder="请输入账号..."/>
- <br />
- 密码:<input type="password" name="password" placeholder="请输入密码..."/>
- <br />
- 确认密码:<input type="password" name="repassword"/>
- <br />
- 姓名:<input type="text" name="name"/>
- <br />
- 昵称:<input type="text" name="nickName" placeholder="请输入昵称..."/>
- <br />
- 性别:
- <input type="radio" name="sex" value="man" checked="checked"/>男
- <input type="radio" name="sex" value="woman"/>女
- <br />
- 爱好:
- <input type="checkbox" name="hobbies" value="football" checked="checked"/>足球
- <input type="checkbox" name="hobbies" value="basketball" checked="checked"/>篮球
- <input type="checkbox" name="hobbies" value="shop"/>购物
- <br />
- 国籍:
- <select name="nationality">
- <option value="001">韩国</option>
- <option value="002">美国</option>
- <option value="003" selected="selected">中国</option>
- <option value="004">日本</option>
- </select>
- <br />
-
- <input type="submit" value="注册" />
- </form>
- </body>
- </html>
Mengatur gaya setiap keadaan hyperlink (keadaan belum dikunjungi, keadaan dikunjungi, keadaan hyperlink mouse-over, keadaan ditekan mouse)
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <style type="text/css">
- a:link {color: #FFCCFF} /* 未访问的链接 */
- a:visited {color: #FF0000} /* 已访问的链接 */
- a:hover {color: #66FF66} /* 鼠标移动到链接上 */
- a:active {color: #33FFFF} /* 选定的链接 */
- </style>
- </head>
- <body>
-
- <a href="http://www.163.com">跳转页面</a>
-
- </body>
- </html>
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <!--
- 样式的优先级别:
- 行内样式 > 内/外部样式
-
- 注意:内外部样式要看加载顺序
- -->
-
- <!--外部样式表-->
- <link rel="stylesheet" type="text/css" href="../../css/new_file.css"/>
-
- <!--内部样式表-->
- <style type="text/css">
- h1{color: red;}
- </style>
- </head>
- <body>
- <!--行内样式表-->
- <h1 style="color: blue;">我好像在哪儿见过你</h1>
-
- </body>
- </html>
1.Atribut font
Nama properti
keluarga font (font)
ukuran font (ukuran)
gaya font (gaya)
---- gaya standar normal
---- miring miring
---- kemiringan miring
---- mewarisi gaya font yang diwarisi dari kelas induk
berat font (font tebal)
---- gaya standar normal
---- berani berani
---- lebih tebal lebih tebal
---- lebih ringan lebih tipis
2.Atribut teks
Nama properti
spasi huruf (spasi huruf)
dekorasi teks (hiasan garis bawah)
perataan teks (perataan teks)
indentasi teks (indentasi teks)
tinggi garis (tinggi garis)
3.Latar Belakang
Nama properti
warna latar belakang
gambar latar belakang
latar belakang-ulangi
4. Perbatasan
Nama properti
batas bawah
padat (garis padat)
putus-putus (garis putus-putus)
ganda (garis padat ganda)
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- </body>
- </html>
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- <style type="text/css">
-
- p{
- font-family: "微软雅黑";/*设置字体*/
- font-size: 50px;/*设置字体大小*/
- font-style: italic;/*设置字体样式*/
- font-weight: bold;/*设置字体粗细*/
-
- letter-spacing: 10px;/*设置文本间隔*/
- text-decoration: underline;/*设置文本划线*/
- text-align: center;/*设置对齐方式*/
- background-color: red;/*设置背景颜色*/
- color: white;/*设置字体颜色*/
-
- border: orange 5px solid;/*设置边框:颜色,粗细,实线*/
- }
-
- a:link {color: #000000} /* 未访问的链接 */
- a:visited {color: #000000} /* 已访问的链接 */
- a:hover {color: #3366FF} /* 鼠标移动到链接上 */
- a:active {color: #3366FF} /* 选定的链接 */
-
- a{
- text-decoration: none;/*去除划线*/
- }
-
- button{
- width: 500px;
- height: 500px;
- background-image: url(../../img/01.jpg);/*设置背景图片*/
- background-repeat:repeat-y;/*设置平铺方式*/
- }
-
- img{
- border-radius: 50%;/*倒圆角*/
- }
-
- </style>
- </head>
- <body>
-
- <p>我好像在哪儿见过你</p>
-
- <a href="#">地图</a>
- <br />
-
- <button>普通按钮</button>
- <br />
-
- <img src="../../img/01.jpg" width="100px" height="100px" />
- </body>
- </html>
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- div{
- width: 200px;
- height: 200px;
- border: orange 1px solid;
-
- padding: 50px;/*设置上下左右内边距*/
- padding-top: 50px;/*设置上内边距*/
- padding-bottom: 50px;/*设置下内边距*/
- padding-left: 50px;/*设置左内边距*/
- padding-right: 50px;/*设置右内边距*/
-
- /*
- * 注意1:内边距可能会把盒子撑变形
- * 注意2:IE老版本不支持内边距
- * 经验:能不用内边距就不用
- */
- }
- </style>
- <body>
- <div>
- <span>我好像在哪儿见过你</span>
- </div>
- </body>
- </html>
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- div{
- width: 200px;
- height: 200px;
- border: orange 1px solid;
-
- margin-top: 50px;/*设置上外边距*/
- margin-bottom: 50px;/*设置下外边距*/
- margin-left: 50px;/*设置左外边距*/
- margin-right: 50px;/*设置右外边距*/
- margin: 50px;/*设置上下左右外边距*/
-
- }
- </style>
- <body>
- <div>
- <span>我好像在哪儿见过你</span>
- </div>
- </body>
- </html>
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- div{
- width: 200px;
- height: 200px;
- border: orange 1px solid;
-
- margin: 0 auto;/*水平居中*/
- }
- </style>
- <body>
- <div>
- <span>我好像在哪儿见过你</span>
- </div>
- </body>
- </html>
Penempatan relatif: mempertahankan posisi semula dan bergerak relatif terhadap posisi semula
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- #manager{
- border: orange 1px solid;
- margin-top: 50px;
- }
- #box01{
- width: 100px;
- height: 100px;
- border: red 1px solid;
- }
- #box02{
- width: 100px;
- height: 100px;
- border: green 1px solid;
-
- position: relative;/*相对定位:保留原有位置,相对于原来的位置进行位移*/
- top: 50px;
- left: 50px;
- }
-
- #box03{
- width: 100px;
- height: 100px;
- border: blue 1px solid;
- }
- </style>
- <body>
- <div id="manager">
- <div id="box01"></div>
- <div id="box02"></div>
- <div id="box03"></div>
- </div>
- </body>
- </html>
Pemosisian absolut : Jangan simpan posisi semula, cari elemen induk, tentukan apakah elemen induk mempunyai atribut position, jika iya posisikan sesuai elemen induk, jika tidak lanjutkan pencarian elemen induk hingga body
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- #manager{
- border: orange 1px solid;
- margin-top: 50px;
- }
- #box01{
- width: 100px;
- height: 100px;
- border: red 1px solid;
- }
- #box02{
- width: 100px;
- height: 100px;
- border: green 1px solid;
-
- position: absolute;/*绝对定位:不保留原有位置,向上找寻父级元素,判断父级元素中是否有position属性,如果有就按照父级元素进行位置,如果没有就继续向上找寻父级元素,直到body为止*/
- top: 50px;
- left: 50px;
- }
-
- #box03{
- width: 100px;
- height: 100px;
- border: blue 1px solid;
- }
- </style>
- <body>
- <div id="manager">
- <div id="box01"></div>
- <div id="box02"></div>
- <div id="box03"></div>
- </div>
- </body>
- </html>
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <style type="text/css">
- div{
- position: fixed;/*固定定位*/
- top: 80%;
- right: 20%;
- }
- </style>
- <body>
-
- <a name="top"></a><!--下锚点-->
-
- <div>
- <a href="#top">置顶</a>
- </div>
-
- <!--导航栏-->
- <a href="#new01">法治</a>
- <a href="#new02">国际</a>
- <a href="#new03">娱乐</a>
-
- <a name="new01"></a><!--下锚点-->
- <h1>法治新闻</h1>
- <h1>法治新闻</h1>
- <h1>法治新闻</h1>
- <h1>法治新闻</h1>
- <a name="new02"></a><!--下锚点-->
- <h1>国际新闻</h1>
- <h1>国际新闻</h1>
- <h1>国际新闻</h1>
- <h1>国际新闻</h1>
- <h1>国际新闻</h1>
- <h1>国际新闻</h1>
- <a name="new03"></a><!--下锚点-->
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- <h1>娱乐新闻</h1>
- </body>
- </html>