css实现div文本框圆角带阴影

代码:

<style>
          div{
              width: 200px;
              height: 200px;
              background-color: yellowgreen;
              border-radius: 16px;
              box-shadow:10px 10px 10px 10px rgba(0,0,0,0.3);
          }
        </style>
       <div>
           
       </div>