body {
            font-family: Arial, Helvetica, sans-serif;
            background-color: black;
        }
        
        nav {
            background-color: black;
            /*Caja de Links pequeña*/
            display: flex;
            /*Menu Centrado*/
            float: right;
            text-align: center;
            /*Menu Sticky*/
            right: 100px;
            padding-top: 5px;
            padding-bottom: 5px;
        }
        
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        li {
            width: 150px;
            display: inline-block;
            line-height: 30px;
            text-align: center;
        }
        
        a {
            text-decoration: none;
            display: block;
            color: whitesmoke;
        }
        
        a:hover {
            background-color: whitesmoke;
            color: black
        }
        /* aqui termina la lista */
        
        .stick-top {
            position: sticky;
            top: 0px;
            z-index: 4;
        }
        
        .header {
            color: whitesmoke;
            padding-left: 20px;
            background-color: black;
            padding-top: 5px;
            padding-bottom: 5px;
        }
        /* footer */
        
        footer {
            position: fixed;
            bottom: 0;
            display: flex;
        }
        
        .footer-ul {
            list-style: none;
        }
        
        .footer-li-1 {
            width: 200px;
            display: inline-block;
            text-align: center;
            padding-left: 420px;
        }
        
        .footer-li-2 {
            width: 50px;
            display: inline-block;
            text-align: center;
        }
        
        .footer-li-3 {
            width: 50px;
            display: inline-block;
            text-align: center;
        }
        /*footer*/
        
        h3,
        .text {
            color: whitesmoke;
            text-align: center;
            margin: 0 auto 0 auto;
        }
        
        .text {
            padding-top: 10px;
        }
        
        .texto-trabajos {
            padding-top: 250px;
            padding-bottom: 300px;
        }
        /* Slide Show*/
        
        div.box {
            text-align: right;
            margin: 0 auto 0 auto;
            max-width: 512px;
            max-height: 512px;
            float: right;
            padding-right: 20px;
        }
        
        #slider {
            overflow: hidden;
        }
        
        #slider figure {
            position: relative;
            width: 500%;
            margin: 0;
            left: 0;
            animation: 20s slider infinite;
        }
        
        #slider figure img {
            width: 20%;
            float: left;
        }
        
        @keyframes slider {
            0% {
                left: 0%
            }
            20% {
                left: 0%;
            }
            25% {
                left: -100%;
            }
            45% {
                left: -100%
            }
            50% {
                left: -200%;
            }
            70% {
                left: -200%;
            }
            75% {
                left: -300%;
            }
            95% {
                left: -300%;
            }
            100% {
                left: -400%;
            }
        }
        /* aqui termina el slideshow*/
        
        div.box-2 {
            text-align: left;
            margin: 0 auto 0 auto;
            max-width: 512px;
            max-height: 512px;
            float: left;
            padding-left: 20px;
        }
        
        #slider-2 {
            overflow: hidden;
        }
        
        #slider-2 figure {
            position: relative;
            width: 500%;
            margin: 0;
            left: 0;
            animation: 20s slider infinite;
        }
        
        #slider-2 figure img {
            width: 20%;
            float: right;
        }
        
        @keyframes slider {
            0% {
                left: 0%
            }
            20% {
                left: 0%;
            }
            25% {
                left: -100%;
            }
            45% {
                left: -100%
            }
            50% {
                left: -200%;
            }
            70% {
                left: -200%;
            }
            75% {
                left: -300%;
            }
            95% {
                left: -300%;
            }
            100% {
                left: -400%;
            }
        }
        /* aqui termina el slideshow 2*/
        
        h2,
        .text-2 {
            color: whitesmoke;
            text-align: center;
            padding-left: 20px;
            margin: 0 auto 0 auto;
        }
        
        .text-2 {
            padding-top: 10px;
        }
        
        .texto-trabajos-2 {
            padding-top: 250px;
            padding-bottom: 300px;
        }
        
        .title:hover {
            color: #5BC2E7;
        }
        
        .text-2:hover {
            color: #5BC2E7;
        }
        
        .text:hover {
            color: #5BC2E7;
        }
        
        .column {
            flex: 50%;
            padding: 0px;
        }
        
        .column img {
            padding-top: 0px;
            width: 100%;
            display: block;
            margin: 0 auto;
        }
        
        .column:hover {
            background-color: #000;
        }
        
        .row {
            display: flex;
        }
        
        .subtitulo {
            color: whitesmoke;
            text-align: center;
            width: 100%;
            display: block;
            margin: 0 auto;
            padding-top: 5px;
            padding-bottom: 5px;
        }
        
        h3:hover {
            color: #5BC2E7;
            /* background-color: whitesmoke; */
            padding-top: 5px;
            padding-bottom: 5px;
        }
        
        div div a:hover {
            background: black;
        }
        
        #proyectos {
            padding-top: 40px;
        }
        
        #proyectos:hover {
            color: #5BC2E7;
        }
   /* ----------- Non-Retina Screens ----------- */
        
        @media screen and (min-device-width: 1200px) and (max-device-width: 1600px) and (-webkit-min-device-pixel-ratio: 1) {}
        /* ----------- Retina Screens ----------- */
        
        @media screen and (min-device-width: 1200px) and (max-device-width: 1600px) and (-webkit-min-device-pixel-ratio: 2) and (min-resolution: 192dpi) {}
        /* ----------- iPhone 4 and 4S ----------- */
        /* Portrait and Landscape */
        
        @media only screen and (min-device-width: 320px) and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2) {}
        /* Portrait */
        
        @media only screen and (min-device-width: 320px) and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2) and (orientation: portrait) {}
        /* Landscape */
        
        @media only screen and (min-device-width: 320px) and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2) and (orientation: landscape) {}
        /* ----------- iPhone 5, 5S, 5C and 5SE ----------- */
        /* Portrait and Landscape */
        
        @media only screen and (min-device-width: 320px) and (max-device-width: 568px) and (-webkit-min-device-pixel-ratio: 2) {}
        /* Portrait */
        
        @media only screen and (min-device-width: 320px) and (max-device-width: 568px) and (-webkit-min-device-pixel-ratio: 2) and (orientation: portrait) {}
        /* Landscape */
        
        @media only screen and (min-device-width: 320px) and (max-device-width: 568px) and (-webkit-min-device-pixel-ratio: 2) and (orientation: landscape) {}
        /* ----------- iPhone 6, 6S, 7 and 8 ----------- */
        /* Portrait and Landscape */
        
        @media only screen and (min-device-width: 375px) and (max-device-width: 667px) and (-webkit-min-device-pixel-ratio: 2) {}
        /* Portrait */
        
        @media only screen and (min-device-width: 375px) and (max-device-width: 667px) and (-webkit-min-device-pixel-ratio: 2) and (orientation: portrait) {}
        /* Landscape */
        
        @media only screen and (min-device-width: 375px) and (max-device-width: 667px) and (-webkit-min-device-pixel-ratio: 2) and (orientation: landscape) {}
        /* ----------- iPhone 6+, 7+ and 8+ ----------- */
        /* Portrait and Landscape */
        
        @media only screen and (min-device-width: 414px) and (max-device-width: 736px) and (-webkit-min-device-pixel-ratio: 3) {}
        /* Portrait */
        
        @media only screen and (min-device-width: 414px) and (max-device-width: 736px) and (-webkit-min-device-pixel-ratio: 3) and (orientation: portrait) {}
        /* Landscape */
        
        @media only screen and (min-device-width: 414px) and (max-device-width: 736px) and (-webkit-min-device-pixel-ratio: 3) and (orientation: landscape) {}
        /* ----------- iPhone X ----------- */
        /* Portrait and Landscape */
        
        @media only screen and (min-device-width: 375px) and (max-device-width: 812px) and (-webkit-min-device-pixel-ratio: 3) {}
        /* Portrait */
        
        @media only screen and (min-device-width: 375px) and (max-device-width: 812px) and (-webkit-min-device-pixel-ratio: 3) and (orientation: portrait) {}
        /* Landscape */
        
        @media only screen and (min-device-width: 375px) and (max-device-width: 812px) and (-webkit-min-device-pixel-ratio: 3) and (orientation: landscape) {}
/* ----------- Galaxy S3 ----------- */

/* Portrait and Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 2) {

}

/* Portrait */
@media screen 
  and (device-width: 320px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 2) 
  and (orientation: portrait) {

}

/* Landscape */
@media screen 
  and (device-width: 320px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 2) 
  and (orientation: landscape) {

}

/* ----------- Galaxy S4, S5 and Note 3 ----------- */

/* Portrait and Landscape */
@media screen 
  and (device-width: 320px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 3) {

}

/* Portrait */
@media screen 
  and (device-width: 320px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 3) 
  and (orientation: portrait) {

}

/* Landscape */
@media screen 
  and (device-width: 320px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 3) 
  and (orientation: landscape) {

}

/* ----------- Galaxy S6 ----------- */

/* Portrait and Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 4) {

}

/* Portrait */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 4) 
  and (orientation: portrait) {

}

/* Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 4) 
  and (orientation: landscape) {

}
/* ----------- Google Pixel ----------- */

/* Portrait and Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 3) {

}

/* Portrait */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 3) 
  and (orientation: portrait) {

}

/* Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 3) 
  and (orientation: landscape) {

}

/* ----------- Google Pixel XL ----------- */

/* Portrait and Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 4) {

}

/* Portrait */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 4) 
  and (orientation: portrait) {

}

/* Landscape */
@media screen 
  and (device-width: 360px) 
  and (device-height: 640px) 
  and (-webkit-device-pixel-ratio: 4) 
  and (orientation: landscape) {

}