h1 {
    font-family: Times;
    text-decoration:underline;
    text-align: center;
}

h2 {
    font-family: sans-serif;
    text-align: center;
}

h3 {
    font-family: sans-serif;
    text-align: center;
}

.miriada {
    text-align: center;
}

button {
    display:block;    
    margin:0px 10px 10px 12px;
    background-color:#f5f5f5;
    border:2px solid #dedede;
    border-top:2px solid #eee;
    border-left:2px solid #eee;
    font-family:"Lucida Grande", Tahoma, Arial, Verdana, sans-serif;
    font-size:12px;
    line-height:130%;
    font-weight:bold;
    color:#565656;
    cursor:pointer;
    padding:5px;
}

#listado {
    border: 2px solid gray;
    border-radius: 1px solid black;
    width: 10%;
    text-align: center;
    color: black;
}