/* Custom, iPhone Retina */ 
        @media screen and (min-device-width: 200px) and (max-device-width: 320px) { 
            .contenedor{
                width:100%;
                margin:0 auto;
            }
            .header{
                width:100%;
                float:left;
            }
            .header-img{
                width:40%;
                float:left;
            }
            .header-title{
                width:60%;
                float:left;
            } 
            .img-size{
                width:100%;
                height:40px;
            }
            .title{
                font-size:11px;
                font-family:"Arial Black", Gadget, sans-serif;
            }
            .text-size{
                font-size:10px;
            }
            .error{
                font-size:10px;
            }            
        }
        
        /* Extra Small Devices, Phones */ 
        @media screen and (min-device-width: 321px) and (max-device-width: 480px) { 
            .contenedor{
                width:100%;
                margin:0 auto;
            }
            .header{
                width:100%;
                float:left;
            }
            .header-img{
                width:40%;
                float:left;
            }
            .header-title{
                width:60%;
                float:left;
            } 
            .img-size{
                width:100%;
                height:70px;
            }
            .title{
                font-size:18px;
                margin-top: 15px;
                font-family:"Arial Black", Gadget, sans-serif;
            }
            .text-size{
                font-size:11px;
            }
            .error{
                font-size:11px;
            }
        }
        
        /* Small Devices, Tablets */
        @media screen and (min-device-width: 481px) and (max-device-width: 768px) {
            .contenedor{
                width:100%;
                margin:0 auto;
            }
            .header{
                width:100%;
                float:left;
            }
            .header-img{
                width:40%;
                float:left;
            }
            .header-title{
                width:60%;
                float:left;
            } 
            .img-size{
                display: block;
                margin-left: auto;
                margin-right: auto;
                width:100%;
                height:90px;
            }
            .title{
                font-size:23px;
                margin-top: 25px;
                font-family:"Arial Black", Gadget, sans-serif;
            }
            .text-size{
                font-size:10px;
            }
            .error{
                font-size:10px;
            }
        }
        
        /* Medium Devices, Desktops */
        @media screen and (min-device-width: 769px) and (max-device-width: 992px) {
            .contenedor{
                width:100%;
                margin:0 auto;
            }
            .header{
                width:100%;
                float:left;
            }
            .header-img{
                width:40%;
                float:left;
            }
            .header-title{
                width:60%;
                float:left;
            } 
            .img-size{
                display: block;
                margin-left: auto;
                margin-right: auto;
                width:80%;
                height:95px;
            }
            .title{
                font-size:25px;
                margin-top: 25px;
                font-family:"Arial Black", Gadget, sans-serif;
            }
            .text-size{
                font-size:13px;
            }
            .error{
                font-size:13px;
            }
        }
        
        /* Large Devices, Wide Screens */
        @media screen and (min-device-width: 993px) {
            .contenedor{
                width:100%;
                margin:0 auto;
            }
            .header{
                width:100%;
                float:left;
            }
            .header-img{
                width:40%;
                float:left;
            }
            .header-title{
                width:60%;
                float:left;
            } 
            .img-size{
                display: block;
                margin-left: auto;
                margin-right: auto;
                width:65%;
                height:100px;
            }
            .title{
                font-size:30px;
                margin-top: 25px;
                font-family:"Arial Black", Gadget, sans-serif;
            }
            .text-size{
                font-size:14px;
            }
            .error{
                font-size:14px;
            }
        }
        .col-centered{
            margin: 0 auto;
            float: none;
        }
        .error{
            color:#FF0000;
        }  
        .bgcolor-amarillo{
            background: #F9D857;
        }
        .txtcolor-amarillo{
            color:#F9D857;
        }
        .bgcolor-azul{
            background: #1A55A3;
        }
        .txtcolor-azul{
            color:#1A55A3;
        }
        .bgcolor-rojo{
            background: #D62118; 
        }
        .txtcolor-rojo{
            color:#D62118;
        }