.about-block .wrapper {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  position: relative;
  padding: 0;
  flex-direction: row;
  flex-wrap: wrap;
}
.about-block .wrapper .text {
  width: 50%;
}
.about-block .wrapper .big {
  width: 50%;
  padding-left: 30px;
  margin-top: -50px;
  height: 500px;
}
.about-block .wrapper .big img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}
.about-block .wrapper .small {
  width: 100%;
  height: 100%;
  position: absolute;
  bottom: 10px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -moz-box-orient: horizontal;
  -moz-box-direction: normal;
  -ms-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row;
  align-items: flex-end;
  left: 0;
  padding-left: 130px;
}
.about-block .wrapper .small .second-img,
.about-block .wrapper .small .thrid-img {
  width: 300px;
  height: 170px;
  object-fit: cover;
  border-radius: 10px;
  margin-right: 20px;
  filter: grayscale(100%);
}
@media screen and (min-width: 768px) and (max-width: 992px) {
  .about-block .wrapper .small {
    position: relative;
    bottom: 0;
    left: 0;
    padding: 0;
    margin-top: 20px;
    justify-content: space-between;
  }
  .about-block .wrapper .small .second-img,
  .about-block .wrapper .small .thrid-img {
    width: 48%;
    margin: 0;
  }
}
@media screen and (max-width: 767px) {
  .about-block .wrapper .text {
    width: 100%;
  }
  .about-block .wrapper .big {
    width: 100%;
    margin: 0;
    padding: 0;
    height: 250px;
  }
  .about-block .wrapper .small {
    position: relative;
    bottom: 0;
    left: 0;
    padding: 0;
    margin-top: 20px;
    justify-content: space-between;
  }
  .about-block .wrapper .small .second-img,
  .about-block .wrapper .small .thrid-img {
    width: 48%;
    margin: 0;
  }
}