flex布局让两个div等高并且内容垂直居中
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>.app{width: 100%;display: flex;}.left{width: 80px;font-size: 20px;display: flex;color: #ffffff;justify-content: center;align-items: center;}.right{font-size: 12px;display: flex;justify-content: space-around;width: 1300px;}.rightItem{width: 10%;display: flex;align-items: center;justify-content: space-around;padding: 5px 5px;background-color: blue;}.rightItemItem{width: 49%;padding: 5px;}.rightItemItem + .rightItemItem{border-left: 1px solid white;}</style></head><body><div class="app"><div class="left" style="background-color: red;">理赔</div><div class="right"><div class="rightItem"><div class="rightItemItem">提示高/中风险案件</div><div class="rightItemItem"><div>数量</div><div>24(件)</div></div></div><div></div><div></div><div></div><div></div><div></div></div></div><script src="./src/global-lib.js"></script><script src="./src/b.js"></script></body></html>
app的align-items默认让左右等高，然后给左右分别添加flex和align-items:center;
实现左右元素内容垂直居中
