html IMG 标签水平居中 ,和图片过大 溢出处理

max-width: 100%;//父元素的宽度
display: block;
margin: 0 auto;

    display: table-cell; 垂直居中
    vertical-align: middle;

style="max-width: 100%;max-height: 100%; display:inline-block;"  //水平居中

  text-indent:50px; 段落首行缩进50个像素

    <style>
        ::-webkit-scrollbar { //隐藏滚动条
            display: none;
        }
    </style>

转载 https://segmentfault.com/a/1190000018279674

https://div.io/topic/1396

   <div style="width: 30%;display: inline-block;" class="code">
                            <div class="code-img" style="height: 34px;text-align: center;">
                                <img style=" display: inline-block;max-width: 100%;max-height: 100%;vertical-align: middle;"
                                    src="1.jpg" alt="" id="captchaImg">
                            </div>
                        </div>