.bk-list {
    list-style: none;
    position: relative;
    padding: 0;
}

    .bk-list li {
        position: relative;
        width: 100%;
        float: left;
        z-index: 1;
        margin: 0px 50px 0px 0;
        -webkit-perspective: 1800px;
        perspective: 1800px;
        max-width: 100%;
    }

        .bk-list li:last-child {
            margin-right: 0;
        }

.bk-info {
    position: relative;
    /*margin-top: 40px;*/
}

    .bk-info h3 {
        padding: 25px 0 10px;
        margin-bottom: 20px;
        border-bottom: 1px solid rgba(0,0,0,0.3);
        font-size: 26px;
    }

        .bk-info h3 span:first-child {
            font-size: 14px;
            font-weight: 400;
            text-transform: uppercase;
            padding-bottom: 5px;
            display: block;
            color: #777;
        }

    .bk-info p {
        line-height: 24px;
        color: #444;
        min-height: 160px;
    }

    .bk-info button {
        background: transparent;
        border: none;
        color: rgba(0,0,0,0.4);
        display: inline-block;
        font-size: 13px;
        cursor: pointer;
        padding: 0;
    }

        .bk-info button.bk-active,
        .bk-info button:active {
            color: #f07c29;
        }

        .no-touch .bk-info button:hover,
        .bk-info button.bk-active {
            color: #f07c29;
        }

.bk-list li .bk-book {
    position: relative;
    width: 100%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transition: -webkit-transform .5s;
    transition: transform .5s;
}

.product-essential .bk-list li .bk-book {
    margin-top: 17%;
}

.bk-list .picture-thumbs {
    display: none;
}

.bk-list li .bk-book.bk-bookdefault {
    -webkit-transform: rotate3d(0,1,0,0deg);
    transform: rotate3d(0,1,0,0deg);
}

.bk-list:hover li .bk-book.bk-bookdefault {
    -webkit-transform: rotate3d(0,1,0,35deg);
    transform: rotate3d(0,1,0,35deg);
}

.bk-list li .bk-book > div,
.bk-list li .bk-front > div {
    display: block;
    position: relative;
    overflow: hidden;
    top: 0;
}

.bk-list li .bk-front {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
    -webkit-transition: -webkit-transform .5s;
    transition: transform .5s;
    -webkit-transform: translate3d(0,0,20px);
    transform: translate3d(0,0,20px);
    z-index: 10;
}

    .bk-list li .bk-front > div {
        z-index: 1;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        -webkit-transform-style: preserve-3d;
        transform-style: preserve-3d;
    }

.bk-list li .bk-page {
    -webkit-transform: translate3d(0,0,19px);
    transform: translate3d(0,0,19px);
    display: none;
    top: 5px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    z-index: 9;
}

.bk-list .bk-front .bk-cover {
    background-size: cover;
}

    .bk-list .bk-front .bk-cover img {
        max-width: 100% !important;
        min-width: 100% !important;
        max-height: 545px !important;
        min-height: 545px !important;
    }

.bk-list li .bk-front,
.bk-list li .bk-back,
.bk-list li .bk-front > div {
    width: 100%;
    height: 100%;
}

.bk-list li .bk-left,
.bk-list li .bk-right {
    width: 40px;
    left: -20px;
}

.bk-list li .bk-top,
.bk-list li .bk-bottom {
    width: 295px;
    height: 40px;
    top: -15px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.bk-list li .bk-back {
    -webkit-transform: rotate3d(0,1,0,-180deg) translate3d(0,0,20px);
    transform: rotate3d(0,1,0,-180deg) translate3d(0,0,20px);
    box-shadow: 10px 10px 30px rgba(0,0,0,0.3);
    border-radius: 3px 0 0 3px;
    position: absolute !important;
}

    .bk-list li .bk-back img {
        max-height: 100%;
    }

.bk-list li .bk-cover-back {
    background-color: #000;
    -webkit-transform: rotate3d(0,1,0,-179deg);
    transform: rotate3d(0,1,0,-179deg);
}

.bk-list li .bk-right {
    top: 5px;
    -webkit-transform: rotate3d(0,1,0,90deg) translate3d(0,0,295px);
    -moz-transform: rotate3d(0,1,0,90deg) translate3d(0,0,295px);
    transform: rotate3d(0,1,0,90deg) translate3d(0,0,295px);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.bk-list li .bk-left {
    height: 100%;
    -webkit-transform: rotate3d(0,1,0,-90deg);
    transform: rotate3d(0,1,0,-90deg);
    position: absolute !important;
}

.bk-list li .bk-top {
    -webkit-transform: rotate3d(1,0,0,90deg);
    transform: rotate3d(1,0,0,90deg);
}

.bk-list li .bk-bottom {
    -webkit-transform: rotate3d(1,0,0,-90deg) translate3d(0,0,390px);
    transform: rotate3d(1,0,0,-90deg) translate3d(0,0,390px);
}

/* Transform classes */

.bk-list li .bk-viewinside .bk-front {
    -webkit-transform: translate3d(0,0,20px) rotate3d(0,1,0,-160deg);
    transform: translate3d(0,0,20px) rotate3d(0,1,0,-160deg);
}

.bk-list li .bk-book.bk-viewinside {
    -webkit-transform: translate3d(0,0,150px) rotate3d(0,1,0,0deg);
    transform: translate3d(0,0,150px) rotate3d(0,1,0,0deg);
}

.bk-list li .bk-book.bk-viewback {
    -webkit-transform: translate3d(0,0,0px) rotate3d(0,1,0,-180deg);
    transform: translate3d(0,0,0px) rotate3d(0,1,0,-180deg);
}

/* Main colors and content */

.bk-list li .bk-page,
.bk-list li .bk-right,
.bk-list li .bk-top,
.bk-list li .bk-bottom {
    background-color: #fff;
}

.bk-list li .bk-front > div {
    border-radius: 0 3px 3px 0;
    box-shadow: inset 4px 0 10px rgba(0, 0, 0, 0.1);
}

.bk-list li .bk-front:after {
    content: '';
    position: absolute;
    top: 1px;
    bottom: 1px;
    left: -1px;
    width: 1px;
}

.bk-list li .bk-cover:after {
    content: '';
    position: absolute;
    top: 0;
    left: 10px;
    bottom: 0;
    width: 3px;
    background: rgba(0,0,0,0.06);
    box-shadow: 1px 0 3px rgba(255, 255, 255, 0.1);
}


.bk-left h2 {
    height: 40px;
    -webkit-transform-origin: 0 0;
    -moz-transform-origin: 0 0;
    transform-origin: 0 0;
    -webkit-transform: rotate(90deg) translateY(-40px);
    transform: rotate(90deg) translateY(-40px);
}

.bk-content {
    position: absolute;
    top: 30px;
    left: 20px;
    bottom: 20px;
    right: 20px;
    padding: 30px;
    overflow: hidden;
    background: #fff;
    opacity: 0;
    pointer-events: none;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transition: opacity 0.3s ease-in-out;
    transition: opacity 0.3s ease-in-out;
    cursor: default;
}

.bk-content-current {
    opacity: 1;
    pointer-events: auto;
}

.bk-content p {
    padding: 0 0 10px;
    -webkit-font-smoothing: antialiased;
    color: #000;
    font-size: 13px;
    line-height: 20px;
    text-align: justify;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.bk-page nav {
    display: block;
    text-align: center;
    margin-top: 20px;
    position: relative;
    z-index: 100;
    cursor: pointer;
}

    .bk-page nav span {
        display: inline-block;
        width: 20px;
        height: 20px;
        color: #aaa;
        background: #f0f0f0;
        border-radius: 50%;
    }

/* Individual style & artwork */

/* Book 1 */
.book-1 .bk-front > div,
.book-1 .bk-back,
.book-1 .bk-left,
.book-1 .bk-front:after {
    background-color: #ff924a;
}

.book-1 .bk-cover {
    background-image: url(../images/1.png);
    background-repeat: no-repeat;
    background-position: 98% 0%;
}

    .book-1 .bk-cover h2 {
        position: absolute;
        bottom: 0;
        right: 0;
        left: 0;
        padding: 30px;
        background: rgba(255,255,255,0.2);
        color: #fff;
        text-shadow: 0 -1px 0 rgba(0,0,0,0.1);
    }

        .book-1 .bk-cover h2 span:first-child,
        .book-1 .bk-left h2 span:first-child {
            text-transform: uppercase;
            font-weight: 400;
            font-size: 13px;
            padding-right: 20px;
        }

        .book-1 .bk-cover h2 span:first-child {
            display: block;
        }

        .book-1 .bk-cover h2 span:last-child,
        .book-1 .bk-left h2 span:last-child {
            font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
        }

.book-1 .bk-content p {
    font-family: Georgia, Times, "Times New Roman", serif;
}

.book-1 .bk-left h2 {
    color: #fff;
    font-size: 15px;
    line-height: 40px;
    padding-right: 10px;
    text-align: right;
}

.book-1 .bk-back p {
    color: #fff;
    font-size: 13px;
    padding: 40px;
    text-align: center;
    font-weight: 700;
}

/* Book 2 */

.book-2 .bk-front > div,
.book-2 .bk-back,
.book-2 .bk-left,
.book-2 .bk-front:after {
    background-color: #222;
}

.book-2 .bk-cover {
    background-repeat: no-repeat;
}

.book-2 .bk-left img {
    display: none;
}

.book-2 .bk-cover h2,
.book-2 .bk-left h2 {
    color: #fff;
    font-family: 'the_godfatherregular', Georgia, serif;
    font-weight: 400;
    white-space: nowrap;
}

.book-2 .bk-cover h2 {
    font-size: 138px;
    line-height: 102px;
    padding: 30px;
}

    .book-2 .bk-cover h2 span:first-child {
        position: relative;
        display: block;
    }

        .book-2 .bk-cover h2 span:first-child:before {
            content: 'A novel';
            font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
            text-transform: uppercase;
            position: absolute;
            color: red;
            font-size: 20px;
            right: -15px;
            bottom: -60px;
        }

    .book-2 .bk-cover h2 span:last-child {
        font-size: 100px;
        line-height: 80px;
        display: block;
        position: relative;
    }

        .book-2 .bk-cover h2 span:last-child:before {
            content: 'by';
            font-size: 16px;
            color: red;
            position: absolute;
            top: -32px;
            left: 62px;
            font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
        }

        .book-2 .bk-cover h2 span:last-child:after {
            content: '';
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #f9ed65;
            position: absolute;
            top: 5px;
            left: 101px;
        }

.book-2 .bk-left h2 {
    font-size: 20px;
    line-height: 40px;
    padding-right: 10px;
    text-align: right;
    position: absolute;
    top: 5%;
    bottom: 5%;
}

.book-2 .bk-back p {
    color: red;
    font-size: 13px;
    font-family: "Big Caslon", "Book Antiqua", "Palatino Linotype", Georgia, serif;
    padding: 40px;
    text-align: center;
}

/* Book 3 */

.book-3 .bk-front > div,
.book-3 .bk-back,
.book-3 .bk-left,
.book-3 .bk-front:after {
    background-color: #a4c19e;
}

.book-3 .bk-cover {
    background-image: url(../images/3.png);
    background-repeat: no-repeat;
    background-position: 100% 95%;
}

    .book-3 .bk-cover h2 {
        position: absolute;
        top: 40px;
        right: 40px;
        left: 40px;
        padding-top: 15px;
        color: #fff;
        text-shadow: 0 -1px 0 rgba(0,0,0,0.1);
    }

        .book-3 .bk-cover h2 span:first-child,
        .book-3 .bk-left h2 span:first-child {
            text-transform: uppercase;
            font-weight: 400;
            font-size: 13px;
            padding-right: 20px;
        }

        .book-3 .bk-cover h2 span:first-child {
            display: block;
        }

        .book-3 .bk-cover h2 span:last-child,
        .book-3 .bk-left h2 span:last-child,
        .book-3 .bk-content p {
            font-family: Georgia, Times, "Times New Roman", serif;
        }

.book-3 .bk-left h2 {
    color: #fff;
    font-size: 14px;
    line-height: 40px;
    text-align: center;
}

.book-3 .bk-back img {
    width: 200px;
    display: block;
    margin: 30px auto 0;
}

.book-3 .bk-back p {
    color: #fff;
    font-size: 13px;
    font-family: Georgia, Times, "Times New Roman", serif;
    padding: 40px;
    text-align: center;
    text-shadow: 0 -1px 0 rgba(0,0,0,0.1);
}

/* Fallbacks */

.no-csstransforms3d .bk-list li .bk-book > div,
.no-csstransforms3d .bk-list li .bk-book .bk-cover-back {
    display: none;
}

    .no-csstransforms3d .bk-list li .bk-book > div.bk-front {
        display: block;
    }

.no-csstransforms3d .bk-info button,
.no-js .bk-info button {
    display: none;
}


@media only screen and (max-width: 770px) {
    .bk-list {
        padding: 0 20%;
    }
}

@media only screen and (max-width: 320px) {
    .bk-list li {
        width: 100%;
        margin: 0 8%;
    }

        .bk-list li .bk-front,
        .bk-list li .bk-back,
        .bk-list li .bk-front > div {
            width: 245px;
            height: 370px;
        }

        .bk-list li .bk-left {
            height: 370px;
        }

        .bk-list li .bk-right {
            left: -30px;
            height: 375px;
        }

    body .detail-book-action {
        width: 245px;
        display: none;
    }
}