100块体验城中村怎么样玩,100块钱日一次怎么联系,100块的过夜联系方式

  • 100块体验城中村怎么样玩,100块钱日一次怎么联系,100块的过夜联系方式
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  • background-attachment

    background-attachment CSS 属性决定背景图像的位置是在视口内固定,或者随着包含它的区块滚动。

    示例

    /* 关键 属性值 */
    background-attachment: scroll;
    background-attachment: fixed;
    background-attachment: local;
    
    /* 全局 属性值 */
    background-attachment: inherit;
    background-attachment: initial;
    background-attachment: unset;
    

    浏览器支持

    IE浏览器火狐浏览器opera浏览器chrome浏览器safari浏览器
    浏览器都支持background-attachment

    语法:

    background-attachment:fixed | scroll | local

    取值

    • fixed此关键字表示背景相对于视口固定。即使一个元素拥有滚动机制,背景也不会随着元素的内容滚动。
    • local此关键字表示背景相对于元素的内容固定。如果一个元素拥有滚动机制,背景将会随着元素的内容滚动,并且背景的绘制区域和定位区域是相对于可滚动的区域而不是包含他们的边框。
    • scroll此关键字表示背景相对于元素本身固定,而不是随着它的内容滚动(对元素边框是有效的)。
    默认值scroll
    适用于所有元素
    继承性
    动画性
    计算值指定值

    例子

    
    //CSS
    
    p {
      background-image: url("http://mdn.mozillademos.org/files/12057/starsolid.gif");
      background-attachment: fixed;
    }
    
    //html
    <p>
      there were doors all round the hall, but they were all locked; and when
      alice had been all the way down one side and up the other, trying every
      door, she walked sadly down the middle, wondering how she was ever to
      get out again.
    </p>

    多背景图支持

    此属性支持多张背景图片。你可以用逗号分隔来为每一张背景图片指定不同的<attachment>。每一张背景图片顺序对应相应的attachment 类型。

    //CSS
    p {
      background-image: url("http://mdn.mozillademos.org/files/12057/starsolid.gif"), url("http://mdn.mozillademos.org/files/12059/startransparent.gif");
      background-attachment: fixed, scroll;
      background-repeat: no-repeat, repeat-y;
    }
    
    //html
    <p>
      there were doors all round the hall, but they were all locked; and when
      alice had been all the way down one side and up the other, trying every
      door, she walked sadly down the middle, wondering how she was ever to
      get out again.
    
      suddenly she came upon a little three-legged table, all made of solid
      glass; there was nothing on it except a tiny golden key, and alice's
      first thought was that it might belong to one of the doors of the hall;
      but, alas! either the locks were too large, or the key was too small,
      but at any rate it would not open any of them. however, on the second
      time round, she came upon a low curtain she had not noticed before, and
      behind it was a little door about fifteen inches high: she tried the
      little golden key in the lock, and to her great delight it fitted!
    </p>
    <!DOCTYPE html>
    <html>
    <head>
    <meta charset="utf-8">
    <title></title>
    <style>
    body{
    	width:150px;
    	height:80px;
    	background-image:url("images/logo.png");
    	background-attachment:fixed;
    	background-repeat:no-repeat;
    }
    div{
    	height:2000px;
    }
    </style>
    <div></div>
    </body>
    </html>

    效果图:

    100块体验城中村怎么样玩,100块钱日一次怎么联系,100块的过夜联系方式不管页面怎么向下滚动,图片的位置固定那不动


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