/* -- general classes -- */
.main-component {
    max-width: 800px;
    margin: auto;
}

/* -- upper part -- */
#logo {
    width: 100%;
    display: inline-flex;
}
#logo>img {
    max-width: 200px;
    margin: auto;
}
#headbar {
    display: flex;
    flex-direction: row;
}
#headbar>img {
    width: 20%;
}
#nav {
    margin: 20px 0 0 0;
    display: flex;
    justify-content: center;
    width: 100%;
}
#nav>div {
    display: inline-block;
    padding: 20px;
}

/* -- middle part **/
main {
    min-height: 230px;
}

/** -- lower part **/
footer>ul {
    display: flex;
    width: 100%;
    padding: 0;
    justify-content: center;
}
footer>ul>li {
    display: inline-block;
    padding: 20px 40px;
}