body {
    background-color: #D3D3D3;
	margin: 0 auto;
	text-align: center;
	display: flex;

 }
 
 #area_superior {
     display: flex;
     position:fixed;
     width: 100%;
     padding-right:5px;
     background-color: #009688;
     border-bottom: solid;
 }
 
#area_principal {
    width: 100%;
}

#div_menu_boton {
    display: flex;
}

#app_titulo {
    width: 100%;
    padding-top: 10px;
    padding-right: 50px;
}

#area_trabajo {
	width: 100%;
	max-width: 800px;
	text-align: center;
	margin: 0 auto;
        padding-top:70px;
        display:block
}


/* Tablet Landscape */
@media screen and (max-width: 1060px) {
     #primary { width:67%; }
     #secondary { width:30%; margin-left:3%;}
}

/* Tabled Portrait */
@media screen and (max-width: 768px) {
     #primary { width:100%; }
     #secondary { width:100%; margin:0; border:none; }
}


img { max-width: 100%; }

tr:nth-child(old) 	{background-color: white;}
tr:nth-child(even) 	{background-color: lightsteelblue;}


table {
	margin: 0 auto;
	padding: 10px;
	border-radius: 10px 10px 10px 10px;
	border: 1px solid black;
}


textarea, input, button, select { font-family: inherit; font-size: inherit; }


img { max-width: 100%; }

.imagen_drop {
    border: solid;
    margin: 1px;
    height: 64px;
}

nav {
    position: absolute;    
}

.menu_interno {
    border: solid;
    background-color: #009688;
    padding: 3px;
    border-radius: 15px 15px 15px 15px;
    box-shadow: 5px 10px 7px rgba(0,0,0,0.5);
}

.area_trabajo_interno {
    margin-top:20px;
    paddin:3px;
    border: solid;
    background-color: #009888;
    padding: 3px;
    border-radius: 15px 15px 15px 15px;
    box-shadow: 5px 10px 7px rgba(0,0,0,0.5);
}

ul {
           list-style:none;

}

#marco_preview {
   width: 90%;
   height: 90%;
   position: absolute;
   top: 5%;
   left: 5%;
   text-align: left;
}

#marco_preview_img {
       display: inline;
}

#musica{
    width: 100%;
    position: fixed;
    top: 0px;
    right: 0px;
    display:none;
}

#media_reproductor {
 width:100%   
}

#div_playlist {
    display: none;
    right: 0px;
    top: 0px;
    background: white;
    padding: 20px;
    border: 10px black;
    font-size: smaller;
    max-width: 350px;
}