body { 
    position: relative; 
    min-height: 100%; 
    max-width: 100%; 
    background: url("https://i.pinimg.com/originals/be/02/a0/be02a04d1907270ec51d5e54caf9bd5b.jpg"); 
    background-repeat: no-repeat; 
    -webkit-background-size: cover; 
    -moz-background-size: cover; 
    -o-background-size: cover; 
    background-size: cover; 
    max-width: 100%; 
    overflow-x: hidden;
    
    margin: 0px;
    padding: 0px;

}

html {
  margin: 0px;
  padding: 0px;
}

iframe {
    background-color: rgba(255, 255, 255, 0)
}