#btn{
    font-size: 1.5rem;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    border-radius: 20px;
    background: linear-gradient(#232323, #434343);
    box-shadow: #000 0px -3px 5px inset;
    padding: 5px 20px 5px 20px;
}
#btn:active{
    background: linear-gradient(#434343, #232323);
    box-shadow: #000 0px 3px 5px inset;
}
#menu{
    margin-top: 5%;
}
#menu li{
    margin-top: 2%;
}
#menu li a{
    margin-top: 2%;
}
#double{
    flex-flow: row nowrap;
    width: 90%;
}
#double li{
    list-style-type: none;
}
#double-element{
    width: 50%;
}
#menu-open:target{
    visibility: visible;
}
#menu-open{
    visibility: hidden;
    position: fixed;
    width: 100vw;
    height: 100vh;
    background-color: #535353;
    z-index: 20;
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-around;
    align-items: center;
    border-radius: 80px 80px 0 0;
}
#menu-phone{
    display: flex;
    flex-flow: column wrap;
    justify-content: space-around;
    background-color: #fff;
    border-radius: 10px;
}
#menu-phone a{
    margin: 2%;
}
#methodo{
    background-color: rgb(255, 186, 0);
    padding: 5%;
    border-radius: 30px;
    box-shadow: #131313 0px 10px 10px;
    margin-bottom: 2%;
}