我有多个图像,当调整网页大小时应该左对齐,但仍然保持 div 块居中。他们目前都被居中:
见下文:

这是我的 HTML 和 CSS 代码:
<div class="widget-content" style="text-align:center;">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
    <img class="medium_thumb_rounded" id="15" src="my-img-src.jpg">
</div>
CSS:
.widget-content {
  padding: 12px 15px;
  border-bottom: 1px solid #cdcdcd;
}
.medium_thumb_rounded {
  border: 1px solid #B6BCBF;
  /*float: left;*/
  height: 80px;
  width: 80px;
  margin-right: 1px;
  margin-bottom: 5px;
  
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
       border-radius: 3px;  
}
知道我做错了什么吗?