.tabContainer{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: var(--color-bg-primary) url(https://cdn.wehome.cn/cmn/png/104/META-H8UKWHWU-8HXWA0PE7HXUV4QMQUBV2-4TSKCVCM-AD.png) no-repeat;
  background-size: 100%;
  background-position: top left;
}