book-open-fill

<svg viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M21 21H13V6C13 4.34315 14.3431 3 16 3H21C21.5523 3 22 3.44772 22 4V20C22 20.5523 21.5523 21 21 21ZM11 21H3C2.44772 21 2 20.5523 2 20V4C2 3.44772 2.44772 3 3 3H8C9.65685 3 11 4.34315 11 6V21ZM11 21H13V23H11V21Z"/></svg>

<i class="ti ti-book-open-fill"></i>

ti ti-book-open-fill

<i class="ti ti-003400"></i>

ti ti-003400

<svg aria-hidden="true" focusable="false" viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M21 21H13V6C13 4.34315 14.3431 3 16 3H21C21.5523 3 22 3.44772 22 4V20C22 20.5523 21.5523 21 21 21ZM11 21H3C2.44772 21 2 20.5523 2 20V4C2 3.44772 2.44772 3 3 3H8C9.65685 3 11 4.34315 11 6V21ZM11 21H13V23H11V21Z"/></svg>

<svg aria-hidden="true" focusable="false" viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M21 21H13V6C13 4.34315 14.3431 3 16 3H21C21.5523 3 22 3.44772 22 4V20C22 20.5523 21.5523 21 21 21ZM11 21H3C2.44772 21 2 20.5523 2 20V4C2 3.44772 2.44772 3 3 3H8C9.65685 3 11 4.34315 11 6V21ZM11 21H13V23H11V21Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/book-open-fill.svg