.close:before {
content: '✕';
}
.close {
position: absolute;
top: 0;
right: 0;
cursor: pointer;
}
<div class="police"><img src="../assets/police.png"/><div class="close"></div></div>
图片右边加关闭按钮
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转载自blog.csdn.net/weixin_42322886/article/details/129246663
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