body {
    background-image: url(images/purble.gif);
    background-size: cover;
    background-position: center;
    background-repeat: repeat; 
    background-size: 300px 300px; 
    background-color: black;
    height: 100dvh;
    overflow: hidden;
    margin: 0;
   
}
.main-pic-container {
  display: flex;
  justify-content: center;  
  align-items: center;  
  height: 100vh;    
}
.main-pic {
  max-width: 60%;
  height: auto;
  display: block;
  top: -20px;
  position: relative;
}
.play-button-container {
  cursor: pointer;

}
.play-button{
  position: absolute;
  top: 87%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px; 
  height: auto; 
  
}