.pre-swiper {
  position: fixed;
  top: 0;
  left: 0;
  flex: 1;
  width: 750px;
  flex-direction: column;
  justify-content: center;
  background-color: #000000;
}
.swiper-image-container {
  width: 100%;
  flex-direction: column;
  justify-content: center;
}
.content {
  height: 100%;
  padding-left: 20px;
  padding-right: 20px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.image-container {
  margin-bottom: 15px;
  background-color: #ffffff;
  width: 200px;
  margin: 15px;
}

.swiper {
  width: 100%;
  height: 100%
}

.col {
  display:flex;
  flex-direction: column;
  flex:1;
  width: 100%
  
}