header{
    height: 400px;
    margin-top: 0;
    margin-bottom: 25px;
    background-color: #ccc;
    background-image: url(../imagenes/tablas/firma.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

main{
    height: auto;
    padding: 5px;
    margin-bottom: 50px;
}

main h1{
    text-align: center;
    font-weight: bolder;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

#container{
    width: 95%;
    height: auto;
    margin: auto;
}

.detector{
    width: 100%;
    height: 270px;
    position: relative;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.titulo{
    width: 100%;
    height: auto;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 8px;
    position: absolute;
    top: 15px;
}

.titulo h2{
    text-align: center;
    font-weight: bold;
    font-size: 1.5rem !important;
    margin:0;
    color: #fff;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.8);
}

.image{
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

#image9{background-position: top 20% center;}
#image10{background-position: top 5% center;}

#image1{background-image:url(../imagenes/tablas/topaz_slim.jpg);}
#image2{background-image:url(../imagenes/tablas/topazlite_1x5.jpg);}
#image3{background-image:url(../imagenes/tablas/signature_gem.jpg);}
#image4{background-image:url(../imagenes/tablas/siglite_4x3.jpg);}
#image5{background-image:url(../imagenes/tablas/clipgem.jpg);}
#image6{background-image:url(../imagenes/tablas/signature_4x5.jpg);}




/*///////////////////////////////////////////////////*/

@media screen and (min-width:768px){
    header{
    height: 250px;
    margin-top: 62px;
    }

    main{margin-bottom: 30px;}

    #container{
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    flex-wrap: wrap;
    }

    .detector{
    width: 45%;
    height: 290px;
    position: relative;
    margin-bottom: 20px;
    }

    .image{background-position: top center;}
}


@media screen and (min-width:992px){
}
    
@media screen and (min-width:1200px){
    header{
    height: 300px;
    margin-top: 0;
    margin-bottom: 25px;
    background-color: #ccc;
    background-image: url(../imagenes/tablas/firma.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size:cover;
    }

    main{
    width: 80%;
    margin: auto; 
    }

    .detector{margin-bottom: 32px;}

    #image1{background-position: top 40% center;}
    #image2{background-position: top 40% center;}
    #image3{background-position: top 52% center;}
    #image4{background-position: top 25% center;}
    #image5{background-position: top 20% center;}
    #image6{background-position: top 35% center;}
}