.lnzi-collapse-item {
  position: relative;
  background-color: red;
}
.lnzi-collapse-item--title:after {
  visibility: hidden;
}
.lnzi-collapse-item--title .lnzi-cell--title {
  width: auto;
  flex: 1;
}
.lnzi-collapse-item--title .lnzi-cell--right-icon {
  -webkit-transition: 0.3s;
  transition: 0.3s;
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}
.lnzi-collapse-item--wrapper {
  overflow: hidden;
  will-change: height;
  -webkit-animation: height 0.3s ease-in-out;
  transition: height 0.3s ease-in-out;
}
.lnzi-collapse-item--content {
  font-size: 13px;
  color: #666;
  padding: 15px;
}
.lnzi-collapse-item--expanded .lnzi-collapse-item--title .lnzi-cell--right-icon {
  -webkit-transform: rotate(-90deg);
  transform: totate(-90deg);
}