a {
    font-size: 1em;
    font-weight: 700;
    text-decoration: none;
    transition: all .2s ease;
}

h1 {
    display: block;
    margin-block-start: 0.67em;
    margin-block-end: 0.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

header {
    position: fixed;
    width: 100%;
    padding: 30px;
    z-index: 1050;
    background-color: #184915;
    margin: 0!important;
    height: 80px;

    display: flex;
    flex-direction: row;
    align-items: center;
}

header>h1 {
    font-size: 2em;
    font-family: "IBM Plex Sans", sans-serif;
    color: var(--dark);
    font-weight: revert;
}

#page-title {
    margin: 0;
}

#page-title > a {
    font-family: "IBM Plex Sans", sans-serif;
    text-decoration: none !important;
}

#page-title a {
    color: #faf8f8;
}

.flex-shrink-0 {
    flex-shrink: 0 !important;
    margin-top: 40px;
}

.spacer {
    flex: auto;
}

.darkmode {
    float: right;
    min-width: 30px;
    position: relative;
    color: #faf8f8;
}

.book-header {
    display: flex;
    padding: 30px;
}

@media screen and (max-width: 52rem)
.book-header {
    justify-content: space-between;
}