*{
    margin: 0;
    padding: 0;

}

.main{
    width:100%;
    background-image: url(background.png);
    background-position: center;
    background-size: cover;
    height: 109vh;
}

.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}