fredboniface.co.uk/style/new_menu.css

#menubar {
    background-color: darkslategrey;
    color: azure;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
}

#menubar_logo img {
    max-height: 20px;
    padding: 10px;
}

#menubar_hamburger {
    position: absolute;
    top: 2px;
    right: 0;
    padding: 5px;
}

.sidebar_control {
    background-color: transparent;
    color: azure;
    border: none;
    font-family: sans-serif;
    font-size: larger;
}

#sidebar_open_short {
    display: block;
}

#sidebar_close_short {
    display: none;
    font-size: x-large;
}

#sidebar {
    position: fixed;
    top: 40px;
    right: 0;
    margin: auto;
    height: 100%;
    display: block;
    max-width: 60%;
    width: 0;
    background-color: darkslategrey;
    transition: 0.7s;
}

#sidebar a {
    padding: 8px 8px 8px 8px;
    margin-top: 10px;
    font-family: sans-serif;
    font-weight: 300;
    text-decoration: none;
    text-align: center;
    font-size: 25px;
    color: cyan;
    display: block;
    white-space: nowrap;
  }

  #sidebar_logo {
    margin-top: 40%;
    text-align: center;
}


#sidebar_social {
    position: absolute;
    bottom: 50px;
    width: 100%;
}

@media screen and (min-width: 800px) {
    #menubar {
        position: -webkit-sticky;
        position: sticky;
        top: 0px;
    }
}