*{
font-family: arial;
background-color: white;
}

b{
    background-color: white;
}

input{
    background-color: white;
    margin: 4px;
}

#cabecera{
    width: auto;
    height: auto;
    float: top;
}

#login{
    width: auto;
    height: auto;
    float: top;
}

#menu{
    
}