RailwayTwo/mini/custom-tab-bar/index.wxss

.sg-tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  justify-content: space-around;
  display: flex;
  align-items: center;
  border-top: 1px solid #ebedf0;
  padding: 8px 0;
  background: white;
}
.sg-tab-item.sg-active {
  color: #5693FC;
}
.sg-tab-item {
  display: flex;
  align-items: center;
  flex-direction: column;
}
.sg-icon {
  font-size: 1.2rem;
}
.sg-name {
  font-size: 0.8rem;
  margin-top: 5px;
}