html { 
  background: url(glitch.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}


.jabłko{
margin-top: 0%;
margin-left:30%
}

.uśmiech1{color: red;
font-size: 80px;
margin-top: 0%;
margin-left:70%
}


.uśmiech2{color: red;
font-size: 120px;
margin-top: 0%;
margin-left:10% 
}