.mainTitle {
  color: #719663;
}

.cntMain {
  position: absolute;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  z-index: 0;
}

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

body {
  overflow: hidden;
}