默认css 与 750px 等于 7.5rem

<script>

!function (n) {

    var e = n.document,

    t = e.documentElement,

    i = 750,

    d = i / 100,

    o = "orientationchange" in n ? "orientationchange" : "resize",

    a = function () {

        var n = t.clientWidth || 320;

        n > 750 && (n = 750);

        t.style.fontSize = n / d + "px"

    };

    e.addEventListener && (n.addEventListener(o, a, !1), e.addEventListener("DOMContentLoaded", a, !1))

}(window);

</script>
<style>

* {

margin: 0;

padding: 0;

list-style: none;

text-decoration: none;

}

 

.fl {

float: left;

}

 

.fr {

float: right;

}

 

.pr {

position: relative;

}

 

.clear {

clear: both;

}

 

.cf {

zoom: 1;

}

 

.cf::after {

display: block;

height: 0;

clear: both;

font-size: 0;

content: '.';

visibility: hidden;

}

</style>

 

css修改滚动条默认样式

之前因为公司项目需要,在网上找到的:

直接上代码了

html代码 

 

<div class="inner">
    <div class="innerbox">
        <p style="height:200px;">这是内容111</p>
        <p style="height:400px;">这里是内容222</p>
        <p>这里是内容333</p>
    </div>
</div>


css 代码

        .inner{
            width: 265px;
            height: 400px;
            position: absolute;
            top: 33px;
            left: 13px;
            /*cursor: pointer;*/
            overflow:hidden;
        }
        .innerbox{
            overflow-x: hidden;
            overflow-y: auto;
            color: #000;
            font-size: .7rem;
            font-family: "\5FAE\8F6F\96C5\9ED1",Helvetica,"黑体",Arial,Tahoma;
            height: 100%;
        }
        /*滚动条样式*/
        .innerbox::-webkit-scrollbar {/*滚动条整体样式*/
            width: 4px;     /*高宽分别对应横竖滚动条的尺寸*/
            height: 4px;
        }
        .innerbox::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
            border-radius: 5px;
            -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
            background: rgba(0,0,0,0.2);
        }
        .innerbox::-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: 0;
            background: rgba(0,0,0,0.1);
        }