效果图：
源代码：
<!DOCTYPE html><html><head><style>div.box{width:800px;height:300px;border:deeppink 3px dashed;border-radius:30px;background-color:mediumturquoise;margin-top:100px;margin-left:250px;}div.gallery {margin: 5px;border: 1px solid #ccc;float: left;width: 180px;}div.gallery:hover {border: 1px solid #777;}div.gallery img {width: 100%;height: auto;}div.desc {padding: 15px;text-align: center;}</style></head><body><div class="box"><div class="gallery"><a target="_blank" href="/link?url=KJbcuxTk_lJZm33HdOwKrg2Jg2MJg6gXdWE2Quwe6-7Tl9vbTd3_6tyf08hDtsVidzAuwxLWjUkR9bfileIkeembFBgDPcWBUR_YO3oPfa1vA6PimWV3REnck5S6-AM61_KH9LBdt1gSj8_RmnLd5-fHo-VRXEiyhnTg5ppIYQPpmItSRwLk98DneP48csmszmrG0bQBSnA-qK2In0H6-eQeCxaBwPiH4yuuXfRPmRLEzkmnDHI8geD_NNiW_u1R&click_t=1622433596013&s_info=1263_660&wd=&eqid=eb81931a000008620000000360b45f37"><img src="images/flower-1.jpg" alt="Cinque Terre" width="600" height="400"></a><div class="desc">花花草草</div></div><div class="gallery"><a target="_blank" href="/link?url=KJbcuxTk_lJZm33HdOwKrg2Jg2MJg6gXdWE2Quwe6-7Tl9vbTd3_6tyf08hDtsVidzAuwxLWjUkR9bfileIkeembFBgDPcWBUR_YO3oPfa1vA6PimWV3REnck5S6-AM61_KH9LBdt1gSj8_RmnLd5-fHo-VRXEiyhnTg5ppIYQPpmItSRwLk98DneP48csmszmrG0bQBSnA-qK2In0H6-eQeCxaBwPiH4yuuXfRPmRLEzkmnDHI8geD_NNiW_u1R&click_t=1622433596013&s_info=1263_660&wd=&eqid=eb81931a000008620000000360b45f37"><img src="images/flower-2.jpg" alt="Forest" width="600" height="400"></a><div class="desc">花花草草</div></div><div class="gallery"><a target="_blank" href="/link?url=hDLr_7jI5Jj6SD0tCCGgnpkSKu_u5ejxKr4tUPNXPLfM_qE0sx-hy-5Gpw-kPBIMjL7qO2buC8j2JThs1YsUjtQ98Lqay4Gida5ZZgCECpG04-oUQ0YPm352UOCMyWknWA1pK5vAc51gW4kPD5UrKf5kzvJkk3OTo2lNmUvmDSHKqNB1nqoQZhuongo8RWebXaUtA0EXWDJoqZWed71LgnI5QeU41tGJ-KiStdbCEsCh5ftWYQjBXWOSmLZTgCMs&click_t=1622433409093&s_info=1263_660&wd=&eqid=b5d0f41000003f7c0000000360b45e7d"><img src="images/flower-3.jpg" alt="Northern Lights" width="600" height="400"></a><div class="desc">红色郁金香</div></div><div class="gallery"><a target="_blank" href="/link?url=Bm_ASbzcX8dbNgIUnBOxZ2nbfQVXKnBWbt0DCA-1jP75cvblUJTuRolKxw6cKZ4CjfG-vPG6_SbdGEDaao2E0wo3PIvF1gN_zc4nKh_xqYXN_IosYNTzTJlQTzJJsMIpMFgo4WN5pkU8TmqvhJtzxMWyvte4NEGPB6aP3AAXTbdX0ooHAhIwuih4KRjTJzBeTuU7QsNlSqXNICjHxdhSLuDtj4dQb-EGa-KdlSchz3CUsuHtTd4ZCJTqiWnUmRoD&click_t=1622433545002&s_info=1263_660&wd=&eqid=f084bbd900003e1b0000000360b45f03"><img src="images/flower-4.jpg" alt="Mountains" width="600" height="400"></a><div class="desc">黄色郁金香</div></div></div></body></html>
再附上一张原图
