vant/lib/vant-css/collapse.css

A Vue.js 2.0 Mobile UI at YouZan

.van-collapse-item__title .van-cell__right-icon::before{-webkit-transition:.3s;transition:.3s;-webkit-transform:rotate(90deg);transform:rotate(90deg)}.van-collapse-item__title::after{visibility:hidden}.van-collapse-item__content{padding:15px;background-color:#fff}.van-collapse-item--expanded .van-collapse-item__title .van-cell__right-icon::before{-webkit-transform:rotate(-90deg);transform:rotate(-90deg)}.van-collapse-item--expanded .van-collapse-item__title::after{visibility:visible}