.tabbar {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  font-size: 10px;
  z-index: 999;
}
.tabbar > div {
  -webkit-flex: 1;
     -moz-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
     -moz-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-justify-content: center;
     -moz-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-flex-direction: column;
     -moz-box-orient: vertical;
     -moz-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  text-align: center;
  height: 50px;
}
.tabbar .icon {
  height: 20px;
  margin-bottom: 3px;
}
.tabbar .icon img {
  height: 100%;
}
.tabbar .act {
  color: var(--main-color);
}