.core_main {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.media {
  width: 100%;
  display: block;
}

.media .media-title {
  text-align: center;
  font-size: 15px;
  font-weight: bold;
  line-height: 18px;
  color: rgba(0, 0, 0, 1);
  margin: 17px 0 12px;
}

.media .media-text {
  width: calc(100% - 40px);
  font-size: 13px;
  font-weight: 400;
  line-height: 21px;
  color: rgba(0, 0, 0, 1);
  margin: 0 20px 20px;
}

.media-text img {
  width: 100%;
}

.media-text p {
  font-size: 14px;
  color: #000;
}

.media .triangle {
  width: 0;
  height: 0;
  border: 7px solid;
  border-color: transparent transparent transparent #002033;
  margin: 4px 11px 0 0;
}

.media .media-text .text {
  display: flex;
  margin-top: 25px;
}

.core_main .back {
  width: 50px;
  height: 20px;
  background: rgba(255, 255, 255, 1);
  border: 1px solid rgba(0, 77, 160, 1);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 0 auto 50px;
}

.core_main .back span:nth-child(1) {
  font-size: 12px;
  color: rgba(0, 77, 160, 1);
}

.core_main .back span:nth-child(2) {
  font-size: 12px;
  font-weight: 400;
  line-height: 16px;
  color: rgba(0, 77, 160, 1);
}