Trilium/apps/client/src/widgets/note_title.css

.note-title-widget {
    flex-grow: 1000;
    height: 100%;
}

.note-title-widget input.note-title {
    font-size: 110%;
    border: 0;
    margin: 2px 0px;
    min-width: 5em;
    width: 100%;
    padding: 1px 12px;
}

.note-title-widget input.note-title[readonly] {
    background: inherit;
    outline: none;
}

.note-title-widget input.note-title.protected {
    text-shadow: 4px 4px 4px var(--muted-text-color);
}

body.mobile .note-title-widget input.note-title {
    padding: 0;
}

body.desktop .note-title-widget input.note-title {
    font-size: 180%;
}

body.experimental-feature-new-layout .title-row,
body.experimental-feature-new-layout .title-details {
    max-width: var(--max-content-width);
}

body.experimental-feature-new-layout .title-row {
    margin-top: 2em;
    margin-left: 12px;
}

body.experimental-feature-new-layout .title-details {
    margin-top: 0;
    contain: none;
    padding: 0;
    padding-inline-start: 24px;
    opacity: 0.85;
    display: flex;
    gap: 0.25em;
    margin: 0;
    list-style-type: none;
    margin-bottom: 2em;
}

body.experimental-feature-new-layout.prefers-centered-content .title-row,
body.experimental-feature-new-layout.prefers-centered-content .title-details {
    margin-inline: auto;
}