body {
    background: darkgrey;    
}

.contenedor{
    background: none repeat scroll 0 0 border-box rgba(0, 0, 0, 0);
    border-radius: 0;
    box-shadow: 2px 2px 4px 1px rgba(0, 0, 0, 0.4);
    color: #000000;
    left: 0;
    margin-top: 2.5%;
    padding: 20px 15px 50px 50px;
    width: 90%;
}


 
.contenedor .titulo{
    font-size: 3.5ex;
    font-weight: bold;
    margin-left: 10px;
    margin-bottom: 10px;
}
 
#pestanas {
    float: top;
    font-size: 2ex;
    font-weight: normal;
}
 
#pestanas ul{
    margin-left: -40px;    
}
 
#pestanas li{
    list-style-type: none;
    float: left;
    text-align: center;
    margin: 0px 1px 1px -0px;
    background: #0B74DD;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    border: 2px solid black;
    border-bottom: dimgray;
    padding: 0px 10px 0px 10px;
    line-height: 27px;
    border-style: hidden hidden none;
}
 
#pestanas a:link{
    text-decoration: none;
    color: white;
}
 
#contenidopestanas{
    clear: both;  
    background: white;
    padding: 20px 0px 20px 20px;
    border-radius: 5px;
    border-top-left-radius: 0px;
    border: 2px solid white;
    width: 96%;
}

.bootstrap-filestyle .btn{
    margin-bottom: 13px;
    padding: 7px 16px 8px;
    margin-top: 3px;
}
.bootstrap-filestyle input[type="text"]{
    height: 30px;
}
.limpiafiles{
    margin-bottom: 10px;
}
.limpiafiles span{
    color: #FFFFFF;
}