.books {
    margin-bottom: 50px;
}
.books .content-index {
    display: flex;
    justify-content: space-between;
    top: 130px;
    z-index: 9;
    margin-bottom: 20px;
}
.books .search-books {
    max-width: 320px;
    position: relative;
    margin-bottom: 30px;
}
.books .search-books .results {
    display: none;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    min-width: 10rem;
    padding: 8px 0;
    margin: 0.125rem 0 0;
    text-align: left;
    list-style: none;
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, .15);
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}
.books .search-books .results li a {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    clear: both;
    white-space: pre-wrap;
}
.books .book-notification {
    border: 4px solid #cbdcff;
    border-radius: 1em;
    padding: 5px 20px;
    margin-bottom: 30px;
}
@media (min-width: 992px) and (max-width: 1199px) {
    .books .content-index {
        top: 129px;
    }
}
@media (min-width: 768px) and (max-width: 991px) {
    .books .content-index {
        top: 135px;
    }
}
@media (min-width: 576px) and (max-width: 767px) {
    .books .content-index {
        top: 113px;
    }
}
@media (min-width: 0) and (max-width: 575px) {
    .books .content-index {
        top: 103px;
    }
}