.mainCon{
  height: 100%;
  background-color: white;
}

.mainTop {
  height: 50%;
  max-height: 50%;
  color: #fff;
  text-align: center;
}

.imgTop {
  height: 40%;
  padding-top: 20%;
}

.mainContent {
  height: calc(50% - 60px);
  padding: 15px 20px 45px 20px;
}

.contentPart {
  width: 100%;
  height: 100%;
  position: relative;
}

.leftOnPart {
  background: url("../../assets/index/1.png") center;
  position: absolute;
  top: 0;
  left: 0;
}

.rightOnPart {
  background: url("../../assets/index/2.png") center;
  position: absolute;
  top: 0;
  left: 50%;
}

.leftUnderPart {
  background: url("../../assets/index/3.png") center;
  position: absolute;
  top: 50%;
  left: 0;
}

.rightUnderPart {
  background: url("../../assets/index/4.png") center;
  position: absolute;
  top: 50%;
  left: 50%;
}

.leftOnPart, .rightOnPart, .leftUnderPart, .rightUnderPart {
  background-size: 100% 100%;
  height: 50%;
  width: 50%;
}

.leftOnPart:active, .rightOnPart:active, .leftUnderPart:active, .rightUnderPart:active {
  transform:rotateY(180deg);
  transition: 0.6s all;
}
