body {
    overflow-y: scroll;
    overflow-x:hidden;
}
#principal{
    min-height: 300px;
}
.nav{
    margin-top: 30px;
}
.nav-pills .nav-link{
    color:          #666;
    font-size:      15px;
}
.nav-pills .nav-link.active, .nav-pills .show>.nav-link  alert-warning{
    background-color:   #CFE3FF;
    border-color:       #BCD8FF;
    color:              #573E95;
}
.nombredellibro{
    font-family: 'Orbitron', sans-serif;
    font-size: 40px;
    padding: 50px;
    letter-spacing: 1px;
}
.nombredellibro a{
    color:              #000;
}
.nombredellibro .color{
    color: #ff0000; font-weight: bold;
}
.blockquote{
    padding-top:        50px;
}
.cuerpo{
    min-height:         295px;
}
.contenidos, .contenidos-social{
    text-align:         justify;
    padding-top:        30px;
    padding-bottom:     30px;
}
.contenidos a{
    font-weight:        bold;
    letter-spacing:     1px;
}
.comprar-libro a{
    padding:            30px;
    border:             solid 2px #fff;
    outline:            none;
    border-radius:      7px;
}
.comprar-libro a:hover{
    border:             solid 2px #ddd;
}
.contenidos-social{
    text-align:         center;
    padding-bottom:     0px;
}
.contenidos-social img{
    margin:             10px;
    max-height:         40px;
    max-width:          40px;
}
.social img{
    border-radius:  100px;
    background-color: #333;
}
.social img:hover{
    background: rgba(255,38,0,1);
    background: -moz-linear-gradient(-45deg, rgba(255,38,0,1) 0%, rgba(240,93,48,1) 100%);
    background: -webkit-gradient(left top, right bottom, color-stop(0%, rgba(255,38,0,1)), color-stop(100%, rgba(240,93,48,1)));
    background: -webkit-linear-gradient(-45deg, rgba(255,38,0,1) 0%, rgba(240,93,48,1) 100%);
    background: -o-linear-gradient(-45deg, rgba(255,38,0,1) 0%, rgba(240,93,48,1) 100%);
    background: -ms-linear-gradient(-45deg, rgba(255,38,0,1) 0%, rgba(240,93,48,1) 100%);
    background: linear-gradient(135deg, rgba(255,38,0,1) 0%, rgba(240,93,48,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ff2600', endColorstr='#f05d30', GradientType=1 );
}
.empa-home{
    padding-top:    10px;
}
.progress{
    margin-top:    18px;
}
.footer{
    height:     12px;
    width:      100%;
}
.footer p{
    color:      #666;
    opacity:    0.8;
    font-size:  10px;
    text-transform: uppercase;
    margin:     0;
    margin-bottom: 30px;
    padding:    0;
    text-align: center;
    font-weight:bold;
    letter-spacing: 1px;
}
iframe{
    margin-top: 30px!important;
    margin-left: 15px!important;
}
.imagen-del-capitulo{
    text-align:     center;
}
.imagen-del-capitulo a{
    color:          #333;
    font-weight:    bold;
}
.imagen-del-capitulo a:hover{
    text-decoration:    none;
    color:              #ff0000;
}
.bg-success{
    padding:            10px!important;
    color:		#fff;
}
.pagoexitoso{
    margin-top:         -70px;
}
.pagotextos{
    margin-top:         -40px;
}
.pagoexitoso .alert-success,
.pagoexitoso .alert-warning{
    max-width:      500px;
    margin:         auto;
}
.pagoexitoso .alert-warning{
    margin-top:     30px;
}
#formularioparaloguearse{
    max-width: 300px;
    margin:auto;
    text-align: center;
}
@media (max-width: 767px) {
    #principal{
        min-height: 150px!important;
    }
    .nombredellibro{
        padding:    10px;
    }    
    .nombredellibro a{
        font-size: 30px;
    }
    .empa-home{
        margin-top: -23px;
        margin-left: -15px;
        padding-top: 0px;
    }
    .blockquote{
        margin-top: 0px;
        padding-top: 0px;
        font-size: 15px;
    }
    .media-body{
        margin-top: -23px;
    }
    .contenidos{
        font-size:14px;
        padding-top: 0px;
        padding-bottom: 0px;
        min-height: none;
    }
    .cuerpo{
        min-height: 10px;
    }
}
@media (max-width: 992px) {
    .nombredellibro a{
        font-size: 30px;
    }
    .blockquote{
        margin-top: 8px;
        font-size: 15px;
        margin-left: 10px;
    }
    .nav{
        margin-top:     0px;
        padding-top:    17px;
        background-color: #f5f8ff;
    }
    .nav-link{
        border: solid 2px #BCD8FF;
        margin-right: 5px;
        margin-left: 5px;
        padding:    10px;
    }
    .comprar-libro{
        max-height:         120px!important;
    }
    .comprar-libro a{
        padding:            10px;
        border:             none;
        outline:            none;
        border-radius:      7px;
    }
    .comprar-libro a:hover{
        border:             none;
    }
    .comprar-libro img{
        max-width:          100px;
        margin-bottom:      30px;
    }
    .contenidos-social{
        padding-top:        0px;
    }
    iframe{
        margin-left: 0px!important;
    }
    .pagoexitoso{
        margin-top:         -10px;
    }
}
@media (min-width: 1920px){
    #principal{
        min-height:     500px;
    }
}