.slider {
  width: 100%;
  height: 200px;
  position: relative;
  user-select: none;
}
.slider .content {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: green;
  z-index: 100;
  transition: 0.3s;
}
.slider .remove {
  position: absolute;
  width: 200px;
  height: 200px;
  background: red;
  right: 0;
  top: 0;
  color: #fff;
  text-align: center;
  font-size: 40px;
  line-height: 200px;
}