.bookshelf-row {
    display: none;
}

.bookshelf {
    transition: all 1s;
}

.bookshelf {
    display: flex;
    margin-top: 1vh;
    justify-content: center;
}

.bookshelf .shelf {
    width: 426px;
    height: 440px;
}

.bookshelf .shelf .row-1 {
    position: relative;
    width: 100%;
    height: 158px;
}

.bookshelf .shelf .row-2 {
    position: relative;
    margin-top: 20px;
    width: 100%;
    height: 164px;
}

.bookshelf .shelf .row-3 {
    position: relative;
    margin-top: 40px;
    width: 100%;
    height: 172px;
}

.bookshelf .shelf .row-4 {
    position: relative;
    margin-top: 60px;
    width: 100%;
    height: 180px;
}

.bookshelf .shelf .row-1:after {
    background: url("https://netzulim.org/R/OrgR/Library/sherut/shelfR.png");
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: bottom left;
    width: 100%;
    height: 210px;
    display: block;
    content: "";
}

.bookshelf .shelf .row-2:after {
    background: url("https://netzulim.org/R/OrgR/Library/sherut/shelfR.png");
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: bottom left;
    width: 100%;
    height: 216px;
    display: block;
    content: "";
}

.bookshelf .shelf .row-3:after {
    background: url("https://netzulim.org/R/OrgR/Library/sherut/shelfR.png");
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: bottom left;
    width: 100%;
    height: 222px;
    display: block;
    content: "";
}

.bookshelf .shelf .row-4:after {
    background: url("https://netzulim.org/R/OrgR/Library/sherut/shelfR.png");
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: bottom left;
    width: 100%;
    height: 230px;
    display: block;
    content: "";
}

.bookshelf .shelf .loc {
    position: absolute;
    bottom: 0;
    width: 100%;
}

.bookshelf .shelf .loc>div {
    width: 33%;
    height: 100%;
    background-size: contain;
    float: left;
}

.bookshelf .sample, .bookshelf-row .sample {
    margin: auto;
    position: relative;
    z-index: 1;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.6);
    transition: transform 0.1s;
    transform: translate(0, 0);
}

.sample:hover {
    z-index: 2;
    cursor: pointer;
    ;
    background-color: white;
    transform: scale3d(1.1, 1.1, 1) translate3d(0, -5px, 0);
}

.bookshelf .book1, .bookshelf-row .book1 {
    background-image: url("/images/Book_DeepWork.jpg");
    background-size: 83px 115px;
    width: 83px;
    height: 115px;
}

.bookshelf .book2, .bookshelf-row .book2 {
    background-image: url("/images/Book_LeanStartup.jpg");
    background-size: 85px 115px;
    width: 85px;
    height: 115px;
}

.bookshelf .book3, .bookshelf-row .book3 {
    background-image: url("/images/Book_ZeroToOne.jpg");
    background-size: 84px 115px;
    width: 84px;
    height: 115px;
}

.bookshelf .book4, .bookshelf-row .book4 {
    background-image: url("/images/Book_WarrenBuffett.jpg");
    background-size: 91px 125px;
    width: 91px;
    height: 125px;
}

.bookshelf .book5, .bookshelf-row .book5 {
    background-image: url("/images/Book_AtomicHabits.jpg");
    background-size: 91px 125px;
    width: 91px;
    height: 125px;
}

.bookshelf .book6, .bookshelf-row .book6 {
    background-image: url("/images/Book_CleanCode.jpg");
    background-size: 91px 125px;
    width: 91px;
    height: 125px;
}

.bookshelf .book7, .bookshelf-row .book7 {
    background-image: url("/images/Book_HowFinanceWorks.jpg");
    background-size: 98px 135px;
    width: 98px;
    height: 135px;
}

.bookshelf .book8, .bookshelf-row .book8 {
    background-image: url("/images/Book_DesigningProductsPeopleLove.jpg");
    background-size: 98px 135px;
    width: 98px;
    height: 135px;
}

.bookshelf .book9, .bookshelf-row .book9 {
    background-image: url("/images/Book_WhereTheCrawdadsSing.jpg");
    background-size: 98px 135px;
    width: 98px;
    height: 135px;
}

.bookshelf .book10, .bookshelf-row .book10 {
    background-image: url("/images/Book_TheSecretGarden.jpg");
    background-size: 105px 145px;
    width: 105px;
    height: 145px;
}


.bookshelf .book11, .bookshelf-row .book11 {
    background-image: url("/images/Book_TheMillionaireNextDoor.jpg");
    background-size: 105px 145px;
    width: 105px;
    height: 145px;
}


/*
.bookshelf .book12, .bookshelf-row .book12 {
    background-image: url("/images/Book_WhereTheCrawdadsSing.jpg");
    background-size: 105px 145px;
    width: 105px;
    height: 145px;
}
*/

/*==================================== LINE UNDER TITLES ======================================= */

.centered {
    margin-left: auto;
    margin-right: auto;
    margin-top: 15px;
    float: none;
}

.line {
    display: block;
    width: 290px;
    height: 3px;
    padding: 0 !important;
    background: #ccc;
}

.section {
    margin: 100px 0px 200px 0px;
    padding: 120px 0;
    position: relative;
}

.section-title {
    margin: 0 0 60px 0;
    padding: 0;
    font-size: 2.250em;
    font-weight: 300;
    color: #5A9ECF;
    text-transform: uppercase;
    display: block;
    text-align: center;
    letter-spacing: 0.1em;
}

#books {
    height: 600px;
}

/*==================================== MAIN PAGE OVERLAY ======================================= */

#site-header {
    position: fixed;
    top: 0;
    min-height: 50px;
    width: 100%;
    z-index: 100;
    transition: all .3s ease;
    box-shadow: 0 10px 25px -10px var(--navy-shadow);
    backdrop-filter: blur(10px);
}

#site-header.hide {
    top: -100px;
}

nav {
    min-height: 60px;
}

#nav ul li {
    padding: 0 16px;
    line-height: 30px;
    display: inline-block;
    text-transform: uppercase;
}

#nav ul li a {
    padding: 10px 20px;
    display: block;
    color: white;
    text-decoration: none;
    transition: all 0.3s
}

#nav ul li a:hover {
    color: #5A9ECF;
    cursor: pointer
}

body {
    margin-bottom: 60px;
    background-color: #0b1c28;
    /* Margin bottom by footer height */
}

.footer {
    /*
    position: absolute;
    bottom: 0;
    width: 100%;
    white-space: nowrap;
    line-height: 60px;
    margin-top: 200px;*/
    bottom: 0;
    height: 2em;
    left: 0;
    position: relative;
    width: 100%;
    margin-bottom: -50px;
    /* Vertically center the text there */
}

@media screen and (max-width: 800px) {
    .footer {
        margin-bottom: 0px;
    }
}

/*==================================== LOADING SCREEN ======================================= */

.loader-wrapper {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #5A9ECF;
    display: flex;
    justify-content: center;
    align-items: center;
}

/*==================================== SOCIAL MEDIA SIDE BAR ======================================= */

svg {
    width: 24;
    height: 24;
    fill: #fff
}

svg:hover {
    fill: #5A9ECF;
}

.hbGQwI {
    width: 40px;
    position: fixed;
    bottom: 0px;
    left: 40px;
    right: auto;
    z-index: 10;
    color: var(--light-slate);
}

@media (max-width: 768px) {
    .hbGQwI {
        display: none;
    }
}

.fyBzSG {
    display: flex;
    flex-direction: column;
    -webkit-box-align: center;
    align-items: center;
    margin: 0px;
    padding: 0px;
    list-style: none;
}

.kZcFdB {
    display: none;
}

@media (max-width: 768px) {
    .kZcFdB {
        display: block;
        width: 100%;
        max-width: 270px;
        margin: 0px auto 10px;
        color: var(--light-slate);
    }
}

.kZcFdB ul {
    display: flex;
    -webkit-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    align-items: center;
    padding: 0px;
    margin: 0px;
    list-style: none;
}

/*==================================== PAGE LOGO ======================================= */

.logo {
    margin: 0px 0px 0px 10px;
}

@media (max-width: 1080px) {
    .logo {
        margin: 0px 0px 0px 5px;
    }
}

.bounce {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    color: white;
    height: 100%;
    font: normal bold 6rem "Product Sans", sans-serif;
    white-space: nowrap;
}

.letter {
    animation: bounce 0.75s cubic-bezier(0.05, 0, 0.2, 1) infinite alternate;
    display: inline-block;
    transform: translate3d(0, 0, 0);
    margin-top: 0.5em;
    text-shadow: rgba(255, 255, 255, 0.4) 0 0 0.05em;
    font: normal 500 6rem 'Varela Round', sans-serif;
    font-size: 50px;
}

.letter:hover {
    color: #5A9ECF;
}

#nav a:hover {
    text-decoration: none;
}

.letter:nth-of-type(1) {
    animation-delay: -0.083333333s;
}

.letter:nth-of-type(3) {
    animation-delay: 0.0833333333s;
}

.letter:nth-of-type(4) {
    animation-delay: 0.1666666667s;
}

@keyframes bounce {
    0% {
        transform: translate3d(0, 0, 0);
        text-shadow: rgba(255, 255, 255, 0.4) 0 0 0.05em;
    }
    100% {
        transform: translate3d(0, -1em, 0);
        text-shadow: rgba(255, 255, 255, 0.4) 0 1em 0.35em;
    }
}