.m-popover {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .4);
  will-change: transform;
  transition: opacity .2s;
  z-index: 10000;
  .m-popover-container {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 300px;
    will-change: transform;
    transition-duration: .2s;
  }
}

.m-slide-enter-active,.m-slide-leave-active {
  transition: all .3s;
}
.m-slide-enter,
.m-slide-leave-to {
  transform: translateY(300px);
}

.m-fade-enter-active,.m-fade-leave-active {
  transition: opacity .2s;
}
.m-fade-enter, .m-fade-leave-to{
  opacity: 0;
}