body{
    margin: 0px;
    padding: 0px;
    overflow-x: hidden;
}
.contentLBT {
	/* 给定容器宽高度 */
	width: 1920px;
	overflow: hidden;
	height: 650px;
	position: relative;
	/*margin: 100px auto;*/
	background-color: #ccc;
}

.contentLBT img {
	height: 100%;
	width: 100%;
}

.points {
    position: absolute;
    z-index: 5;
    list-style: none;
    width: 20%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: hsla(0,0%,0%,0.2);
    bottom: 5px;
    left: 40%;
    height: 20px;
    border-radius: 25px;
    right: 40%;
}

.points li {
	cursor: pointer;
	display: inline-block;
	width: 10px;
	height: 10px;
	margin: 0px auto;
	border-radius: 15px;
	background-color: rgba(0, 0, 0, 0);
    border: 1px solid white;
}

.active {
    background-color: hsla(0,0%,100%,1.00) !important;
}

.prev {

	border-radius: 0 30px 30px 0;
}

.next,
.prev {
    appearance: menu;
    margin: 0 auto;
    width: 60px;
    display: block;
    float: left;
    height: 150px;
    position: absolute;
	line-height: 150px;
	text-align: center;
	font-family: "宋体";
    font-size: 36px;
	color: aliceblue;
    z-index: 999;
    background-color: hsla(0,0%,0%,0.1);
    top: 45%;
    -webkit-appearance: button;
    cursor: pointer;
}

.next {
	right: 0px;
	border-radius: 30px 0 0 30px;
}
.prev:hover{background-color: hsla(0,0%,0%,0.5);}
.next:hover{background-color: hsla(0,0%,0%,0.5);}