*{padding:0;margin:0;border:0;}
body{color:#003;background-color:#FFF;font:1em/1.2em "Trebuchet MS",Verdana,sans-serif;padding:50px;}
ul{margin-bottom:10px;color:inherit;background:transparent url(sup_der.gif) right top no-repeat;padding:15px 15px 0 15px;}
li{list-style:inside circle;}
div{float:left;}
button{display:block;margin:5px 5px 5px 0;color:#003;background:#CCC;padding:1px 1px 2px 1px;cursor:pointer;border:2px outset #CCC;}
button:active{border:2px inset #CCC;}
#contenedor{
    color:inherit;
    background:#DDD url(sup_izq.gif) left top no-repeat;
}
#botones_obtener{
    color:inherit;
    background:#DDD url(inf_izq.gif) left bottom no-repeat;
    padding:0 0 15px 15px;
}
#botones_eliminar{
    color:inherit;
    background:#DDD url(inf_der.gif) right bottom no-repeat;
    padding:0 15px 15px 0;
}
#eliminar{margin:0 10px 10px 10px;}