html {
 
 

          }

    #cabecera
    {
        margin: 0px auto;
        padding: 20px;
        width: 80%;                        
        height: 70px;;
        background: #fff;
        font-family: 'trebuchet MS', Arial, helvetica;        
        -moz-border-radius: 10px;
        border-radius: 20px;        
        -moz-box-shadow: 0 0 10px #555;
        -webkit-box-shadow: 0 0 10px #555;
        box-shadow: 0 0 10px #555;
    }
    .ribbon:after, .ribbon:before,
    h2:after, h2:before,
    #twitter-follow:after, #twitter-follow:before
    {
        content: '';
        position: absolute;
    }
    
    /* ---------------------------------------------- */   
    
    .ribbon{
        
        position: relative;
        color: #fff;    
        margin: 0 -30px 30px -30px;
        padding: 10px 0; 
        text-shadow: 0 1px rgba(0,0,0,.8);        
        background: #333C4D;
        background-image: -moz-linear-gradient(rgba(255,255,255,.3), rgba(255,255,255,0));
        background-image: -webkit-linear-gradient(rgba(255,255,255,.3), rgba(255,255,255,0));
		background-image: -o-linear-gradient(rgba(255,255,255,.3), rgba(255,255,255,0));
		background-image: -ms-linear-gradient(rgba(255,255,255,.3), rgba(255,255,255,0));
        background-image: linear-gradient(rgba(255,255,255,.3), rgba(255,255,255,0));
        -moz-box-shadow: 0 2px 0 rgba(0,0,0,.3);
        -webkit-box-shadow: 0 2px 0 rgba(0,0,0,.3);
        box-shadow: 0 2px 0 rgba(0,0,0,.3);
        clear: both; 
    }
    
   .ribbon:before, .ribbon:after
    {
        border-style: solid;
        border-color: transparent;
        bottom: -10px;
    }
    
    .ribbon:before
    {
        border-width: 0 10px 10px 0;
        border-right-color: #222;
        left: 0;
    }
    
    .ribbon:after
    {
        border-width: 0 0 10px 10px;
        border-left-color: #222;
        right: 0;
    }    
    
    .nota_mostrada
    {
        background-color: #E5EBFD;
    background-position: -136px -33px;
    border-color: #A0B1DE;
    margin-left:-10px;
    margin-bottom:20px;
    width:auto;
    border-radius: 3px 3px 3px 3px;
    border-style: solid;
    border-width: 1px;
    margin: 10px 0 5px;
    padding: 8px 8px 8px 34px;

        
    }
    
    /* ---------------------------------------------- */
    
   
    
    /* ---------------------------------------------- */