body {
      background: linear-gradient(90deg, rgb(244,251,253),rgb(90,128,165));
      font-family: Arial, sans-serif;
    }
    .titulo {
      font-size: 77px;
      font-weight: bold;
    }  
    .subtitulo {
      font-size: 65px;
    }   
    .encabezado {
      font-size: 33px;
    }  
    .parrafo {
      font-size: 22px;
    }
    .notas {
      font-size: 12px;
    }      
    html, body {
      margin: 0;
      padding: 0;
      height: 100%;
    }
    
    #container {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100%;
    }
    
    #container img {
      max-width: 100%;
      height: auto;
    }

 

    
#menu{
    width: 100%;
    margin: 1;
    list-style: none;  
    background: #111;
    background: -moz-linear-gradient(#444, #111); 
        background: -webkit-gradient(linear,left bottom,left top,color-stop(0, #111),color-stop(1, #444));    
    background: -webkit-linear-gradient(#444, #111);    
    background: -o-linear-gradient(#444, #111);
    background: -ms-linear-gradient(#444, #111);
    background: linear-gradient(#444, #111);
    -moz-border-radius: 50px;
    border-radius: 50px;
    -moz-box-shadow: 0 2px 1px #9c9c9c;
    -webkit-box-shadow: 0 2px 1px #9c9c9c;
    box-shadow: 0 2px 1px #9c9c9c;
}

#menu li{
    float: left;
    padding: 0 0 10px 0;
    position: relative;
}

#menu a{
    float: left;
    height: 25px;
    padding: 0 25px;
    color: #999;
    text-transform: uppercase;
    font: bold 12px/25px Arial, Helvetica;
    text-decoration: none;
    text-shadow: 0 1px 0 #000;
}

#menu li:hover > a{
    color: #fafafa;
}


#menu li:hover > ul{
    display: block;
}

/* Sub-menu */

#menu ul{
    list-style: none;
    margin: 0;
    padding: 0;    
    display: none;
    position: absolute;
    top: 35px;
    left: 0;
    z-index: 99999;    
    background: #444;
    background: -moz-linear-gradient(#444, #111);
    background: -webkit-gradient(linear,left bottom,left top,color-stop(0, #111),color-stop(1, #444));
    background: -webkit-linear-gradient(#444, #111);    
    background: -o-linear-gradient(#444, #111);    
    background: -ms-linear-gradient(#444, #111);    
    background: linear-gradient(#444, #111);    
    -moz-border-radius: 5px;
    border-radius: 5px;
}

#menu ul li{
    float: none;
    margin: 0;
    padding: 0;
    display: block;  
    -moz-box-shadow: 0 1px 0 #111111, 0 2px 0 #777777;
    -webkit-box-shadow: 0 1px 0 #111111, 0 2px 0 #777777;
    box-shadow: 0 1px 0 #111111, 0 2px 0 #777777;
}

#menu ul li:last-child{   
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;    
}

#menu ul a{    
    padding: 10px;
    height: auto;
    line-height: 1;
    display: block;
    white-space: nowrap;
    float: none;
    text-transform: none;
}


*:first-child+html #menu ul a{ /* IE7 */    
    height: 10px;
    width: 150px;
}

#menu ul a:hover{
    background: #0186ba;
    background: -moz-linear-gradient(#04acec,  #0186ba);    
    background: -webkit-gradient(linear, left top, left bottom, from(#04acec), to(#0186ba));
    background: -webkit-linear-gradient(#04acec,  #0186ba);
    background: -o-linear-gradient(#04acec,  #0186ba);
    background: -ms-linear-gradient(#04acec,  #0186ba);
    background: linear-gradient(#04acec,  #0186ba);
}

#menu ul li:first-child a{
    -moz-border-radius: 5px 5px 0 0;
    -webkit-border-radius: 5px 5px 0 0;
    border-radius: 5px 5px 0 0;
}

#menu ul li:first-child a:after{
    content: '';
    position: absolute;
    left: 30px;
    top: -8px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 8px solid #444;
}

#menu ul li:first-child a:hover:after{
    border-bottom-color: #04acec; 
}

#menu ul li:last-child a{
    -moz-border-radius: 0 0 5px 5px;
    -webkit-border-radius: 0 0 5px 5px;
    border-radius: 0 0 5px 5px;
}

/* Clear floated elements */
#menu:after{
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}

* html #menu             { zoom: 1; } /* IE6 */
*:first-child+html #menu { zoom: 1; } /* IE7 */

#menu ul li:first-child a:after{
    content: '';
    position: absolute;
    left: 30px;
    top: -8px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 8px solid #444;
}

#menu ul li:first-child a:hover:after{
    border-bottom-color: #04acec; 
}