.md-about-21 {
  padding-bottom: 40px;
}
.md-about-21 .box .text {
  width: calc( 900 / 1170 * 100%);
  line-height: calc(40 / 16);
  line-height: 2;
}
.md-about-21 .box .imgs {
  width: calc( 230 / 1170 * 100%);
}
.md-about-21 .box .imgs img {
  width: 100%;
}
@media screen and (max-width: 767px) {
  .md-about-21 .box .text {
    width: 100%;
  }
  .md-about-21 .box .imgs {
    width: 100%;
  }
}
.md-about-21 .tab {
  margin-top: 50px;
}
.md-about-21 td {
  border-right: none;
  border-left: none;
  padding: 30px 20px;
}
.md-about-21 td:nth-child(1) {
  width: 20%;
  background-color: #f0f0f0;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .md-about-21 tr {
    border-top: 1px solid #c0c6cf;
  }
  .md-about-21 th {
    display: block;
    border-right: none;
    border-bottom: none !important;
    border-top: none;
    text-align: left;
    padding: 15px 20px;
  }
  .md-about-21 td {
    width: 100% !important;
    display: block;
    border-right: none;
    border-bottom: none;
    border-top: none !important;
    text-align: left !important;
    padding: 15px 20px;
  }
  .md-about-21 .imgs {
    display: none !important;
  }
}