.container {
  position: relative;
}

.center1 {
  position: absolute;
  top: 2%;
  left: 30%;
  }
 .center2 {
  position: absolute;
  top: 85%;
  left: 28%;
  } 
  .center3 {
  position: absolute;
  top: 88%;
  left: 35%;
  } 
img {
  width: 100%;
  height: auto;
  }
h1{
    color: #ffff00;
    text-shadow: 0 0 20px black, 0 0 60px yellow;
    text-align: center;
    font-size:6vw
}
h3 {
    color: #ffff00;
    text-shadow: 0 0 20px black, 0 0 60px yellow;
    text-align: center;
    font-size:4vw
}
h6 {
    color: #ffff00;
    text-shadow: 0 0 20px black, 0 0 60px yellow;
    text-align: center;
    font-size:3vw
}