css三

设置图片样式居中一种方法

        html,body{
            height: 100%;
        }
        body{
            text-align: center;
        }
        body::after{
            content:'';
            display: inline-block;
            height: 100%;
            vertical-align: middle;
        }
        img{
            vertical-align: middle;
        }

隐藏滚动条的一种方式

        html,body{
            height: 100%;
            overflow: hidden;
        }

border属性

border-image-source

border-image-slice

border-image-repeat

border-image-width

border-image-outset

background属性

background-color

background-image

background-repeat

background-position

background-attachment

background-origin

background-clip

background-size