body {
    margin: 0;
}

/* #MARKER header */
header {
    background-color: var(--bg-color-darker-shade);
    cursor: default;
    display: flex;
    flex-flow: row nowrap;
    align-content: stretch;
    padding: 5px;
}

header > .flexItem {
    flex-shrink: 1;
    align-self: stretch;
}

/* #SECTION page title */
header h1 {
    font-size: 35px;
    margin-top: 3px;
    margin-bottom: 3px;
    margin-right: 50px;
}

/* #SECTION nav */
header nav {
    display: block;
    flex-grow: 100;
}

header nav ul {
    background-color: #123;

    display: inline-flex;
    justify-content: flex-end;
    align-items: flex-end;

    list-style-type: none;
    padding-left: 20px;
    padding-right: 20px;
    margin: 0;
    height: 100%;
}

header nav ul:hover {
    color: #fff;
    position: fixed;
}

header nav ul li {
    display: none;
}

header nav ul:hover li {
    display: block;
}

header nav ul li:first-of-type {
    margin-top: 10px;
}

header nav a {
    cursor: pointer;
}

/* #SECTION lang switch */
header select.flexItem {
    align-self: flex-start;
}

/* #MARKER main */

main {
    margin: 15px;
}