单独对一个div设置float: right没生效

如下能达到效果：

父级div设置position: relative;

当前div设置position: absolute; right: 0;

.applist {
  width: 255px;
  position: relative;
  display: flex;
}
.applist .launchjob {
  position: absolute;
  right: 0;
}