body{

    height:100vh;
   
    
}


body{
    background-image: url('../images/thanks.webp');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;   
   
}

@media only screen and (min-width: 481px) and (max-width: 768px){
    body{ 
               
        height:100vh;
    }
    
    
    body{
        background-image: url('../images/back2.webp');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;   
       
    }
}