* {
  margin: 0;
  padding: 0;
}

/*
    imgUl
*/


.imgUl {
  display: flex;
  position: absolute;
  list-style: none;
  width: 500%;
  height: 100%;
  transition: all 2s;
}

.imgUl .imgLi {
  width: 20%;
  height: 100%;
  justify-content: space-between;
}

.imgUl .imgLi .carouselImg {
  width: 100%;
  height: 100%;
}

/*
    prev next按钮
*/


.btn-img {
  position: absolute;
  display: block;
  width: 50px;
  height: 50px;
  line-height: 50px;
  top: 50%;
  margin-top: -25px;
  background-color: rgba(0, 0, 0, 0.1);
  z-index: 999;
  cursor: pointer;
  font-size: 40px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  display: none;
  -moz-user-select: none;
  /*火狐*/
  -webkit-user-select: none;
  /*webkit浏览器*/
  -ms-user-select: none;
  /*IE10*/
  -khtml-user-select: none;
  /*早期浏览器*/
  user-select: none;
}

.prevImg { left: 10px; }

.nextImg { right: 10px; }

.btn-img-hover { background-color: rgba(0, 0, 0, 0.3); }

/*
    btnUl btnLi 底部按钮（显示当前是第几页或快速跳转到指定页）
*/


.btnUl {
  position: absolute;
  display: flex;
  justify-content: space-around;
  list-style: none;
  top: 95%;
  height: 15px;
  left: 50%;
  transform: translateX(-50%);
}

.btnUl .btnLi {
  height: 15px;
  width: 15px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.2);
  margin-left: 20px;
  cursor: pointer;
}

.btnUl .btnLi:first-child { background-color: rgba(255, 255, 255, 0.8); }

.btnUl .btnLi-hover { background-color: rgba(255, 255, 255, 0.8); }