html,
body,
#app {
    height: 100%;
    margin: 0;
    padding: 0;
}
.qybox-home {
  background-color: #303133;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.qybox-home__main {
  user-select: none;
  width: 100%;
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: #FFFFFF;
}