.side-item {
	position: fixed;
    top: 52px;
    right: -100%;
    width: 100%;
    background-color: #f9f9f9;
    padding: 15px 14px 20px;
    z-index: 9999;
    transition: transform .5s ease-in-out;
    -ms-transform: translateX(0);
    transform: translateX(0);
    overflow-y: scroll;
    box-sizing: border-box;
}
.side-item.active {
	transform: translateX(-100%);
}
.item-group {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -1.33%;
}
.list-item {
	width: 28%;
    height: 30px;
    line-height: 30px;
    list-style: none;
    text-align: center;
    margin: 0 1.33% 6px 0;
    padding: 0 5px;
    font-size: 14px;
    border: 1px solid #e4e4e4;
    border-radius: 5px;
    background-color: #fff;
    overflow: hidden;
    text-overflow: ellipsis;
}
.list-item a {
	display: block;
	width: 100%;
	white-space: nowrap;
	text-overflow: ellipsis;
	overflow: hidden;
}