/* Shared page frame. Percentages use the available width, excluding scrollbars. */
body {
    box-sizing: border-box;
    width: 90%;
    margin-inline: auto;
    padding-inline: 0;
}
.page-navigation {
    flex: 0 0 auto;
    margin-bottom: .5rem;
    font-size: .875rem;
}
.back-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    min-height: 32px;
    color: #b7ddf4;
    text-underline-offset: .2em;
}
.back-link:focus-visible { outline: 2px solid #b7ddf4; outline-offset: 3px; }