html, body, header {
    height: 100%;
    width: 100%;
}
body, p, a, button, input, select, textarea, h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif; !important;
}
.btn-ssm {
    --bs-btn-padding-y: 0.5rem;
    --bs-btn-padding-x: 1rem;
    --bs-btn-font-size: 0.70rem;
    --bs-btn-border-radius: 0.5rem;
}

<!-- library -->
.fixed-table-toolbar {
    margin-right: 5px;
    margin-left: 5px;
}
.book-cover-background {
    background-image: linear-gradient(310deg, #141727, #a0aae9);
}
.book-cover-xl {
    width: 100px !important;
    height: 120px !important;
}