css 滚动条样式

<!DOCTYPE html>
<!-- saved from url=(0061)http://www.xuanfengge.com/demo/201311/scroll/css3-scroll.html -->
<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    
    <title>CSS3自定义滚动条-轩枫阁</title>
<style>
header
{
    font-family: 'Lobster', cursive;
    text-align: center;
    font-size: 25px;    
}

#info
{
    font-size: 18px;
    color: #555;
    text-align: center;
    margin-bottom: 25px;
}

a{
    color: #074E8C;
}

.scrollbar
{
    margin-left: 30px;
    float: left;
    height: 300px;
    width: 65px;
    background: #F5F5F5;
    overflow-y: scroll;
    margin-bottom: 25px;
}

.force-overflow
{
    min-height: 450px;
}

#wrapper
{
    text-align: center;
    width: 500px;
    margin: auto;
}

/*
 *  STYLE 1
 */

#style-1::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    border-radius: 10px;
    background-color: #F5F5F5;
}

#style-1::-webkit-scrollbar
{
    width: 12px;
    background-color: #F5F5F5;
}

#style-1::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
    background-color: #555;
}

/*
 *  STYLE 2
 */

#style-2::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    border-radius: 10px;
    background-color: #F5F5F5;
}

#style-2::-webkit-scrollbar
{
    width: 12px;
    background-color: #F5F5F5;
}

#style-2::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
    background-color: #D62929;
}

/*
 *  STYLE 3
 */

#style-3::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
}

#style-3::-webkit-scrollbar
{
    width: 6px;
    background-color: #F5F5F5;
}

#style-3::-webkit-scrollbar-thumb
{
    background-color: #000000;
}

/*
 *  STYLE 4
 */

#style-4::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
}

#style-4::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-4::-webkit-scrollbar-thumb
{
    background-color: #000000;
    border: 2px solid #555555;
}


/*
 *  STYLE 5
 */

#style-5::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
}

#style-5::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-5::-webkit-scrollbar-thumb
{
    background-color: #0ae;
    
    background-image: -webkit-gradient(linear, 0 0, 0 100%,
                       color-stop(.5, rgba(255, 255, 255, .2)),
                       color-stop(.5, transparent), to(transparent));
}


/*
 *  STYLE 6
 */

#style-6::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
}

#style-6::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-6::-webkit-scrollbar-thumb
{
    background-color: #F90;    
    background-image: -webkit-linear-gradient(45deg,
                                              rgba(255, 255, 255, .2) 25%,
                                              transparent 25%,
                                              transparent 50%,
                                              rgba(255, 255, 255, .2) 50%,
                                              rgba(255, 255, 255, .2) 75%,
                                              transparent 75%,
                                              transparent)
}


/*
 *  STYLE 7
 */

#style-7::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
    border-radius: 10px;
}

#style-7::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-7::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    background-image: -webkit-gradient(linear,
                                       left bottom,
                                       left top,
                                       color-stop(0.44, rgb(122,153,217)),
                                       color-stop(0.72, rgb(73,125,189)),
                                       color-stop(0.86, rgb(28,58,148)));
}

/*
 *  STYLE 8
 */

#style-8::-webkit-scrollbar-track
{
    border: 1px solid black;
    background-color: #F5F5F5;
}

#style-8::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-8::-webkit-scrollbar-thumb
{
    background-color: #000000;    
}


/*
 *  STYLE 9
 */

#style-9::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
}

#style-9::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-9::-webkit-scrollbar-thumb
{
    background-color: #F90;    
    background-image: -webkit-linear-gradient(90deg,
                                              rgba(255, 255, 255, .2) 25%,
                                              transparent 25%,
                                              transparent 50%,
                                              rgba(255, 255, 255, .2) 50%,
                                              rgba(255, 255, 255, .2) 75%,
                                              transparent 75%,
                                              transparent)
}


/*
 *  STYLE 10
 */

#style-10::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
    border-radius: 10px;
}

#style-10::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-10::-webkit-scrollbar-thumb
{
    background-color: #AAA;
    border-radius: 10px;
    background-image: -webkit-linear-gradient(90deg,
                                              rgba(0, 0, 0, .2) 25%,
                                              transparent 25%,
                                              transparent 50%,
                                              rgba(0, 0, 0, .2) 50%,
                                              rgba(0, 0, 0, .2) 75%,
                                              transparent 75%,
                                              transparent)
}


/*
 *  STYLE 11
 */

#style-11::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    background-color: #F5F5F5;
    border-radius: 10px;
}

#style-11::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-11::-webkit-scrollbar-thumb
{
    background-color: #3366FF;
    border-radius: 10px;
    background-image: -webkit-linear-gradient(0deg,
                                              rgba(255, 255, 255, 0.5) 25%,
                                              transparent 25%,
                                              transparent 50%,
                                              rgba(255, 255, 255, 0.5) 50%,
                                              rgba(255, 255, 255, 0.5) 75%,
                                              transparent 75%,
                                              transparent)
}

/*
 *  STYLE 12
 */

#style-12::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.9);
    border-radius: 10px;
    background-color: #444444;
}

#style-12::-webkit-scrollbar
{
    width: 12px;
    background-color: #F5F5F5;
}

#style-12::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    background-color: #D62929;
    background-image: -webkit-linear-gradient(90deg,
                                              transparent,
                                              rgba(0, 0, 0, 0.4) 50%,
                                              transparent,
                                              transparent)
}

/*
 *  STYLE 13
 */

#style-13::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.9);
    border-radius: 10px;
    background-color: #CCCCCC;
}

#style-13::-webkit-scrollbar
{
    width: 12px;
    background-color: #F5F5F5;
}

#style-13::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    background-color: #D62929;
    background-image: -webkit-linear-gradient(90deg,
                                              transparent,
                                              rgba(0, 0, 0, 0.4) 50%,
                                              transparent,
                                              transparent)
}

/*
 *  STYLE 14
 */

#style-14::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.6);
    background-color: #CCCCCC;
}

#style-14::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-14::-webkit-scrollbar-thumb
{
    background-color: #FFF;
    background-image: -webkit-linear-gradient(90deg,
                                              rgba(0, 0, 0, 1) 0%,
                                              rgba(0, 0, 0, 1) 25%,
                                              transparent 100%,
                                              rgba(0, 0, 0, 1) 75%,
                                              transparent)
}

/*
 *  STYLE 15
 */

#style-15::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.1);
    background-color: #F5F5F5;
    border-radius: 10px;
}

#style-15::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-15::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    background-color: #FFF;
    background-image: -webkit-gradient(linear,
                                       40% 0%,
                                       75% 84%,
                                       from(#4D9C41),
                                       to(#19911D),
                                       color-stop(.6,#54DE5D))
}

/*
 *  STYLE 16
 */

#style-16::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.1);
    background-color: #F5F5F5;
    border-radius: 10px;
}

#style-16::-webkit-scrollbar
{
    width: 10px;
    background-color: #F5F5F5;
}

#style-16::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    background-color: #FFF;
    background-image: -webkit-linear-gradient(top,
                                              #e4f5fc 0%,
                                              #bfe8f9 50%,
                                              #9fd8ef 51%,
                                              #2ab0ed 100%);
}


</style>
</head>
<body>
      <div id="wrapper">
        <div class="scrollbar" id="style-default">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-1">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-2">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-3">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-4">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-5">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-6">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-7">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-8">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-9">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-10">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-11">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-13">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-14">
          <div class="force-overflow"></div>
        </div>

        <div class="scrollbar" id="style-15">
          <div class="force-overflow"></div>
        </div>
    </div>

</body></html>

 以上为html示例,下面是简单的示例

当内容超出容器时，容器会出现滚动条，其自带的滚动条有时无法满足我们审美要求，那么我们可以通过css伪类来实现对滚动条的自定义。

首先我们要了解滚动条。滚动条从外观来看是由两部分组成：1，可以滑动的部分，我们叫它滑块2，滚动条的轨道，即滑块的轨道，一般来说滑块的颜色比轨道的颜色深。

滚动条的css样式主要有三部分组成：

　　1、::-webkit-scrollbar   定义了滚动条整体的样式；

     2、::-webkit-scrollbar-thumb  滑块部分；

　  3、::-webkit-scrollbar-thumb  轨道部分；

下面以overflow-y:auto;为例（overflow-x:auto同）

html代码：

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<div class="test test-1">
        <div class="scrollbar"></div>
</div>

css代码：

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.test{
    width: 50px;
    height: 200px;
    overflow: auto;
    float: left;
    margin: 5px;
    border: none;
}
.scrollbar{
    width: 30px;
    height: 300px;
    margin: 0 auto;
 
}
.test-1::-webkit-scrollbar {/*滚动条整体样式*/
        width: 10px;     /*高宽分别对应横竖滚动条的尺寸*/
        height: 1px;
    }
.test-1::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
        border-radius: 10px;
         -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
        background: #535353;
    }
.test-1::-webkit-scrollbar-track {/*滚动条里面轨道*/
        -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
        border-radius: 10px;
        background: #EDEDED;
    }

　　效果如下如：

如果要改变滚动条的宽度：在::-webkit-scrollbar中改变即可；如果要改变滚动条滑块的圆角，在::-webkit-scrollbar-thumb 中改变；如果要改轨道的圆角在::-webkit-scrollbar-track中改变；

此外，滚动条的滑块不仅可以填充颜色还可以填充图片如下：

css代码：

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.test-5::-webkit-scrollbar {/*滚动条整体样式*/
    width: 10px;     /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}
.test-5::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
        border-radius: 10px;
background-color: #F90;
background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .2) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%, transparent 75%, transparent);
    }
.test-5::-webkit-scrollbar-track {/*滚动条里面轨道*/
        -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
        /*border-radius: 10px;*/
        background: #EDEDED;
    }

html代码：

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<div class="test test-5">
    <div class="scrollbar"></div>
</div>

　效果如下：

以上就可以做出自己喜欢的滚动条了；

如果文档中会有多个滚动条出现，而且希望所有的滚动条样式是一样的，那么伪元素前面不需要加上class、id、标签名等之类的任何东西。

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原文地址：https://www.cnblogs.com/zonglonglong/p/6795984.html