.content_box {
  position: relative;
}
.collect,.noCollect {
  position: absolute; top: 10px; right: 10px;display: none;
}
.collect span,.noCollect span {
  width: 120px;
  height: 30px;
  border: 1px solid #f3f8ff;
  background-color: #f3f8ff;
  border-radius: 5px;
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.collect img,.noCollect img {
  width: 18px; 
  height: 18px;
  margin-right: 10px;
}