body {
    margin: 0;
    padding: 0;
    max-height: 100vh;   
    display: cover; 
    overflow: hidden;
    min-height: 100vh;
    
}

#prima {
    position: absolute;
    margin: 0;
    padding: 0;
    max-height: 100vh;  
       
 
}     


.goNext .tour{
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 75px;
   
}
.img{
    width: 30%;
    border-radius: 50px; 

}

.tour:hover{
    filter: saturate(2);
    transform: scale(1.3);
}



@media only screen and (max-width: 740px){
    body {
        margin: 0;
        padding: 0;
        max-height: 750px;   
        max-width: 360px; 
        display: cover; 
        overflow: hidden;
              
    }

    #prima {
        position: absolute;
        margin: 0;
        padding: 0;
        max-width: 750px;  
        max-height: 360px; 
   
    } 

    .img{
     
      
        width: 20%;
        border-radius: 50%; 
    
    }
}