* {
    border: 0 solid;
    padding:0 ;
}

body {
    font-family: Verdana;
    background-image: url("image/FONDO5.GIF");
    background-position: center;
    height: 100vh;
}   
h1 {
    font-size:16px;
    text-align: left;
}
img {
    width: 100px;
}
.cabecera {
    background: white;
    border: 1px ;
    padding:1px;
} 

#menu ul {
    list-style: none;
    background: green;
    font-size:12px;
    border: 1px ;
    padding: 1px ;
    margin: 0px;
    overflow: auto;
}

#menu #item {
    float: left;
    width: 100px;
    line-height: 40px;
    text-align: center;
    /*display: inline-block;*/
}

#menu #item a {
    text-decoration: none;
    border: 10px ;
    color: white;
    display:block;
}
#menu #item a:hover {
    background: #f9a91a;
    color: #000;
}

#menu #opcion {
    display: none;
    position: absolute;
    min-width: 130px;
    text-align: left;
    padding-left: 10px;
}

#menu #item:hover #opcion{
    display: block;
}