@media screen and (max-width:768px) {
    
    .content h1 {
        font-size: 250%;
    }
    
    .btn {
        font-size: 300%;
        padding: 7px 15px;
    }
    
    
.btn-new {
    transform: translate(-50%,-115%);
    }
    
.btn-about {
    transform: translate(-60%,-98%);
}
    
.grid {
    margin: 0 0 0 30px;
}
    
.card,
.back,
.front{
    height: 105px;
    width: 105px;
}

#game {
    padding: 80px 33px 90px 0;
}
    
.content {
    margin: 0 40px;
}
    
img {
    width: 80%;
   
    }
}
    
@media only screen and (max-width: 480px) {

    .content h1 {
        font-size: 250%;
        color: #f8f8f8;
    }
    
    .btn-new, .btn-about {
    width: 180px;
    font-size: 80%;
}
    
    
    .btn-new {
        transform: translate(-50%,-170%);
        
    }
    .btn-about {
        transform: translate(-55%,-128%);
    }

  /* SECTION GAME */  

.section-game {
    background-position: center;
}
    

.card {
    position: relative;
    margin: 5px;
  }
  
  .card,
  .back,
  .front {
    height: 150px;
    width: 150px;
    border-radius: 10px;
  }
  
  .back,
  .front {
    position: absolute;
    backface-visibility: hidden;
  }
  
  
  
  .back {
    background-color: white;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
  }
  
  .selected {
  }
  .match .front {
    opacity: 0;
  }



.card,
.back,
.front{
    height: 53px;
    width: 53px;   
}


/* SECTION KLIMT */

.section-Klimt {
    height: 100vh;        
    }
    
h2 {
        font-size: 200%;
        text-align: center;
        margin: 30px 0 45px 0;
    }

p {
    margin-bottom: 50px;
    font-size: 60%;
}
 

.container {
    max-width: 200px;
}

img {
    width: 100px;
    margin: 0;
}