@mixin border_bottom() {
  position: relative;
  &:after {
    content: '' !important;
    position: absolute;
    left: -50%;
    width: 200%;
    transform: scale(.5);
    box-sizing: border-box;
    transform-origin: center bottom;

    bottom:0px;
    background: #e7e7e7;
    height:1px;
  }
}
.haha-tabbar-container{
	overflow:scroll;
	width:100%;
	border-bottom:1px solid #ddd;
	background: #fff;
	position: relative;
	&::-webkit-scrollbar{
		width:0;
		height:0;
	}
	.haha-tabbar-wrap{
		display: flex;
		width:100%;
		background: #fff;
		@include border_bottom();
		&.active{
			position: fixed;
			z-index: 1005;
			left:0;
			right:0;
		}
	}

}