col{
    text-align: center;
}

.col{
    text-align: center;
}

.positivo_titulo{
    height: 100px;
    transition: heigth 2s;
}

.positivo_titulo:hover{
    transform: scale(1.2,1.2);
    height: 200px;
}

.tarjetas{
    margin: auto;
}

.contenido{
    background-color: black;
}

.container{
    display:grid;
    grid-template-columns: repeat(3 , 1fr);
  
    grid-auto-rows: 150px;
    padding: 20px;
    gap :10px;
    background-color: rgb(19, 19, 19);
  
}

.galeria_item{
    position:relative;
}

.galeria_img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.galeria_item:nth-child(4){
    grid-column-start :span 2;
}
.galeria_item:nth-child(5){
    grid-row-start :span 2;
}
.galeria_item:nth-child(9){
    grid-row-start :span 6;
    grid-column-start: span 2;
}
.galeria_item:nth-child(8){
    grid-row-start :span 2;
   
}

@media (min-width:768px){

    .container{
        grid-template-columns: repeat(4 , 1fr);  
    }

    .galeria_item:nth-child(4){
        grid-column-start :span 1;
    }
    .galeria_item:nth-child(9){
        grid-row-start :span 1;
        grid-column-start: span 1;
    }
    .galeria_item:nth-child(7){
        grid-row-start :span 2;
        grid-column-start: span 1;
    }

}
@media (min-width:1024px){

    .container{
        grid-template-columns: repeat(5 , 1fr);  
        width:90%;
        margin: auto;
    }

    .galeria_item:nth-child(1){
        grid-column : 1 / 3;
        grid-row : 1 / 2;
    }
    .galeria_item:nth-child(2){
        grid-column: 3 / 5;
        grid-row : 1 / span 1;
    }
    .galeria_item:nth-child(3){
        grid-column: 5 / 6;
        grid-row-start : span 1;
    }
    .galeria_item:nth-child(4){
        grid-column: 4 / span 2;
        grid-row-start: span 1;
    }
    .galeria_item:nth-child(5){
        grid-column: 1 / span 3;
        grid-row: 2 / span 2;
    }
    .galeria_item:nth-child(6){
        grid-column: 1 / 2;
        grid-row-start :4;
    }
    .galeria_item:nth-child(7){
        grid-column: 2 / 3;
        grid-row-start :4;
    }
    .galeria_item:nth-child(8){
        grid-column: 3 / 4;
        grid-row-start :4;
    }
    .galeria_item:nth-child(9){
        grid-column: 4 / 6;
        grid-row : 3 / 5;
    }
    

}