点击元素，滚动条滚到元素位置

var mainContainer = $('.ulbox'),//父级容器
scrollToContainer = mainContainer.find('.redbg');//指定的class
mainContainer.animate({
scrollTop: scrollToContainer.offset().top - mainContainer.offset().top + mainContainer.scrollTop()
}, 2000);//2秒滑动到指定位置

Box-shadow 阴影特效

box-shadow: 0 10px 16px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19) !important;

原文地址：https://blog.csdn.net/samrtian/article/details/103793656?ops_request_misc=&request_id=7c3a0a7c6c264218995b401c42e60581&biz_id=&utm_medium=distribute.pc_search_result.none-task-blog-2~all~koosearch~default-2-103793656-null-null.142^v88^insert_down28v1,239^v2^insert_chatgpt&utm_term=css3%E7%89%B9%E6%95%88