.flex_link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.flex_three .item {
  position: relative;
  width: calc((100% - 60px) / 3);
  margin: 0 7.5px 15px;
  text-shadow: 0px 0px 3px rgb(0 0 0 / 80%);
  text-decoration: none;
  overflow: hidden;
  border-radius: 10px;
}
.flex_three .item .bg {
  transition: transform .5s cubic-bezier(0.22,1,0.36,1) 0s;
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  background-size: cover;
  opacity: .2;
}
.flex_three .item:hover .bg {
    transform: scale(1.1);
}
.flex_three .item .description {
  position: relative;
  font-size: 19px;
  font-weight: 200;
  line-height: 1.7;
  padding-top: 0;
  padding-bottom: 40px;
  padding-left: 20px;
  padding-right: 20px;
  color: #fff;
}
.flex_three .item .txt_area {
 position: relative;
 padding-top: 30px;
 margin-bottom: 10px;
}
.flex_three .item .txt_area .title {
  text-align: center;
  font-size: 26px;
  font-weight: bold;
  color: #fff;
}
@media screen and (max-width: 959px) {
  .flex_three .item {
     width: calc((100% - 30px) / 2);
  }
}
@media screen and (max-width: 639px) {
  .flex_three .item {
    width: 100%;
  }
  .flex_three .item .txt_area {
   position: relative;
   padding-top: 25px;
   margin-bottom: 0;
  }
  .flex_three .item .txt_area .title {
    font-size: 20px;
  }
  .flex_three .item .description {
    padding-top: 15px;
  }
}