.banner .banner-content {
  width: 1200px;
  margin: auto;
  height: 100%;
  position: relative;
}
.banner .edit-btn {
  width: 100%;
  background: transparent;
  border: transparent;
}
.banner .el-carousel__item {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
}