.bb-bookblock {
    width: 300px;
    height: 225px;
}

ul.bb-custom-grid {
    list-style: none;
    margin: 0 auto 30px auto;
    padding: 0;
    max-width: 700px;
    display: block;
}

    /* Micro clearfix hack by Nicolas Gallagher http://nicolasgallagher.com/micro-clearfix-hack/ */
    ul.bb-custom-grid:before,
    ul.bb-custom-grid:after {
        content: " ";
        display: table;
    }

    ul.bb-custom-grid:after {
        clear: both;
    }
    /* end clearfix hack */

    ul.bb-custom-grid li {
        float: left;
        width: 300px;
        height: 260px;
        padding: 10px 20px 50px 20px;
        background: #fff;
        position: relative;
        box-sizing: content-box;
        margin-bottom: 20px;
        box-shadow: 0 1px 2px rgba(0,0,0,0.2);
    }

        ul.bb-custom-grid li:nth-child(odd) {
            margin-right: 20px;
        }

        ul.bb-custom-grid li:before,
        ul.bb-custom-grid li:after {
            content: '';
            position: absolute;
            z-index: -2;
            bottom: 15px;
            left: 10px;
            width: 50%;
            height: 20%;
            box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
            -webkit-transform: rotate(-3deg);
            -moz-transform: rotate(-3deg);
            -ms-transform: rotate(-3deg);
            -o-transform: rotate(-3deg);
            transform: rotate(-3deg);
        }

        ul.bb-custom-grid li:after {
            right: 10px;
            left: auto;
            -webkit-transform: rotate(3deg);
            transform: rotate(3deg);
        }

        ul.bb-custom-grid li a {
            display: block;
        }

        ul.bb-custom-grid li h3 {
            color: #9a9b92;
            margin: 0;
            padding: 0;
            text-transform: uppercase;
            font-weight: 700;
            font-size: 14px;
            line-height: 35px;
            letter-spacing: 1px;
        }

            ul.bb-custom-grid li h3 a {
                float: right;
                display: inline;
            }

                ul.bb-custom-grid li h3 a.download {
                    background: url('/img/icon/download.png') no-repeat;
                    width: 32px;
                    height: 32px;
                }

    ul.bb-custom-grid nav {
        text-align: center;
        margin-top: 12px;
        padding-bottom: 5px;
    }

        ul.bb-custom-grid nav span {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #f0f0f0;
            margin: 3px;
            cursor: pointer;
            box-shadow: inset 0 1px 1px rgba(0,0,0,0.2), 0 2px 1px rgba(255,255,255,0.9);
        }

            ul.bb-custom-grid nav span.bb-current {
                background: #ecb700;
            }