Implement image carousel effect based on vue.js

Carousel effect:

html

js

css

.fouce {
 position: relative;
 left:380px;
 overflow: hidden;
 height: 570px;
 width: 1100px;
}
.fl {
 float: left;
}
.focus{
 overflow: hidden;
}
.fouce ul {
 position: absolute;
}
.fouce ul li {
 float: left;
}
.fouce ul li a.img {
 display: block;
 height: 520px;
}
.showimg{
 width:1440px;
 left:-0px;
}
.showimg img {
 display: block;
 width:1100px;
 height:520px;
}
.fouce .bullet-pagination {
 position: absolute;
 bottom: 50px;
}
.fouce ul li h3 {
 height: 40px;
 line-height: 40px;
 background-color: #ededed;
 text-align: center;
 font-size: 25px;
 width: 1100px;
}
.bullet-pagination {
 width: 100%;
 text-align: center;
 padding-top: 16px;
 clear: both;
 overflow: hidden;
}
.bullet {
 display: inline-block;
 background: #fff;
 width: 12px;
 height: 12px;
 border-radius: 6px;
 -webkit-border-radius: 6px;
 margin-right: 5px;
 opacity: 0.8;
 -webkit-transition: opacity 0.8s linear;
 -moz-transition: opacity 0.8s linear;
 -ms-transition: opacity 0.8s linear;
 -o-transition: opacity 0.8s linear;
 transition: opacity 0.8s linear;
}
.bullet.active {
 background: #007cdb;
 opacity: 1;
 cursor: pointer;
}
.preNext {
 display: block;
 width: 31px;
 height: 41px;
 position: absolute;
 top: 200px;
 cursor: pointer;
}
.pre {
 background: url('/xxx/xx/src/img/news_arr_r.png') no-repeat right center;
}
.next {
 background: url('/xxx/xx/src/img/news_arr_r.png') no-repeat left center;
 right: 0px;
}
* {
 padding: 0;
 margin: 0;
 list-style: none;
}
a{
 text-decoration: none;
}