app.wxss

/**app.wxss**/
.container {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
} 

.foot {
  position: absolute;
  bottom: 30rpx;
  right: 30rpx;
  font-size: 24rpx;
  color: #E0E0E0;
}