.bottom{
  height: 100rpx;
  width: 100vw;
  position: fixed;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  background-color: rgb(110, 241, 143);
}
.bottom_bar_item{
  display: flex;
  justify-items: center;
  flex: 1;
  height: 100%;
  justify-content: center;
  align-content: center;
  align-items: center;
}
.bottom_bar_item_0{
  background-color: rgb(236, 187, 112);
}
.bottom_bar_item_1{
  background-color: rgb(245, 133, 99);
}
.bottom_bar_item_2{
  background-color: rgb(101, 199, 238);
}