.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;
}

.leftPart {
  background: url("../../assets/index/left.png");
  background-size: 110% 100%;
  height: 100%;
  width: calc(50% - 0.5px);
  margin-right: 1px;
  display: inline-block;
  border-radius: 65px 0 0 65px;
}

.rightPart {
  background: url("../../assets/index/right.png");
  height: 100%;
  width: calc(50% - 0.5px);
  background-size: 100% 100%;
  margin-left: -10px;
  display: inline-block;
  border-radius: 0 65px 65px 0;
}

.rightPart:active, .leftPart:active {
  transform:rotateY(180deg);
  transition: 0.5s all;
}

.centerPart {
  background: url("../../assets/index/center.png") center;
  background-size: 110%;
  position: absolute;
  top: calc(50% - 75px);
  height: 150px;
  width: 150px;
  left: calc(50% - 75px);
  border-radius: 100%;
}
.centerPart:active {
  background-color: #ff9933;
}
