控制div内滚动条的宽度,变窄纯css

1.Css
.fleft{
		width: 100%;
		height: 450px;
		overflow:hidden;
		.fleftContent{
		    width: 102%;//此div宽度大于外层div宽度
		    height: 100%;
		   overflow:auto;
		   overflow-x:hidden;
		}
     
	}

2.div
     

  <div class="fleft">
            <div class="fleftContent">
            </div>
    </div>