.head {
  width: 100%;
  display: flex;
  justify-content: center;
  background-color: #fff;
}

.head .all-title {
  display: flex;
  flex-wrap: wrap;
}

.head .all-title .item-title {
  width: 9%;
  padding-right: 20px;
  text-align: left;
  color: #646363;
  font-size: 16px;
  cursor: pointer;
  position: relative;
}
.head .all-title .item-title:hover .title-txt {
  color: #007bff;
}

.head .all-title .item-title .title-txt {
  max-width: 100%;
  display: inline-block;
  margin-bottom: -6px;
  padding: 16px 10px;
}


.head .all-title .active-plate {
  color: #4169E2;
  border-bottom: 2px solid #4169E2;
}

.head .all-title .item-title .tags {
  display: flex;
  padding: 4px;
}

.head .all-title .item-title .tags .item-tag {
  font-size: 14px;
  padding: 0px 8px;
  margin: 4px 8px;
  cursor: pointer;
  border-radius: 10px;
}
.head .all-title .item-title .tags .item-tag:hover {
  background-color: #4169E2;
  color: #fff;
}
.head .all-title .item-title .tags .item-tag.active-tag {
  background-color: #4169E2;
  color: #fff;
}

@media screen and (max-width: 768px) {
  .head .all-title {
    padding: 0;
  }
  .head .all-title .item-title {
    width: 25%;
    text-align: center;
    padding: 2px 8px;
    font-size: 14px;
  }
  .head .all-title .item-title .title-txt {
    padding: 10px 0px;
  }
}