@media screen and (max-width: 767px){
    .bookshelf .covers{
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        column-gap: 0px;
        row-gap: 30px;
    }
}

@media screen and (min-width: 1025px){
    .bookshelf .covers{
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        column-gap: 30px;
        row-gap: 60px;
    }
}

@media screen and (min-width: 767px) and (max-width: 1024px){
    .bookshelf .covers{
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        column-gap: 20px;
        row-gap: 60px;
    }
}

.bookshelf{
    max-width: 1440px;
    margin: 0 auto;
}

.bookshelf__header{
    font-size: 18px;
    color: #005055;
    margin-bottom: 40px;
    font-weight: 500;
    text-align: center;
    margin-left: 10px;
}

.bookshelf .thumb{
    cursor: pointer; 
    width: 100%; 
    max-width:400px;
    justify-self: center;
}

.bookshelf .thumb a{
    text-decoration: none;
}

.bookshelf .thumb h2{
    color: #005055;
    font-weight: 500;
    text-align: left;
    font-size: 16px;
    line-height: 1.4em;
    margin-top: 5px;
    padding-left: 5px;
}

.bookshelf .thumb h2 span{
    display: block;
    font-style: italic;
    font-size: 14px;
}

.bookshelf .thumb:hover .thumb__wrapper{
    color: #fff200;
    box-shadow: 0 0 0 2px rgba(255, 242, 0, 1);  
}

.bookshelf .thumb .thumb__wrapper img{
    width: 100%;
    display: block;
}

.bookshelf .thumb .thumb__wrapper{
    width: calc(100% - 10px);
    padding: 5px;
    box-shadow: 0 0 0 2px rgba(255, 242, 0, 0);  
    transition: 0.25s ease-in-out;
    -webkit-transition: 0.25s ease-in-out;
    -moz-transition: 0.25s ease-in-out;
    -ms-transition: 0.25s ease-in-out;
    -o-transition: 0.25s ease-in-out;
    margin-bottom: 10px;
}
.bookshelf .shelf-img{
    z-index:0; 
    height: auto; 
    max-width: 100%; 
    vertical-align: top; 
    margin-top:-12px; 
}
.bookshelf .covers{
    width:100%; 
    height:auto; 
    z-index: 99; 
    position: relative;
    text-align:center;
}
.bookshelf{
    text-align: center;
    padding:0px;
}

div.flipbook-overlay{
    z-index: 99999999999 !important;
}

.flipbook-tocItem{
    border-bottom: 1px solid rgba(255,255,255,.1);
    text-decoration: none !important;
    padding: 8px 0 !important;
    line-height: 1.3em;
    margin-left: 20px !important;
    margin-right: 20px !important;
}

.flipbook-tocItem .title{
    font-weight: 400;
}

.flipbook-tocItem .title:hover{
    text-decoration: none !important;
    color: #fff200 !important;
}

.flipbook-tocItem span:first-child{
    display: none;
    width: 0 !important;
}

.flipbook-toc{
    top: 90px !important;
}

.flipbook-side-menu .flipbook-menu-header{
    text-align: left !important;
    padding: 30px 20px !important;
    font-weight: 500;
    font-size: 20px !important;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.flipbook-bg-dark{
    background-color: #005055 !important;
}


.flipbook-menuTop .flipbook-menu-btn,
.flipbook-tocHolder .flipbook-menu-btn,
.flipbook-nav .flipbook-icon.flipbook-menu-btn{
    padding: 5px !important;
    font-size: 24px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.flipbook-menu-btn:hover{
    background-color: #fff200 !important;
    color: #005055 !important;
}

.flipbook-menu-right .flipbook-icon-times.flipbook-menu-btn{
    height: 40px;
    width: 40px;
}

.flipbook-sub-menu .flipbook-menu-header{
    text-align: left !important;
    padding: 20px !important;
    border-bottom: 1px solid rgba(255,255,255,.1);
    margin-bottom: 10px;
}

.flipbook-sub-menu .flipbook-menu-header .flipbook-btn-close{
    font-size: 24px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.flipbook-sub-menu .flipbook-btn{
    text-align: left !important;
    width: auto !important;
    padding-left: 20px;
    padding-right: 20px;
}

.flipbook-sub-menu .flipbook-btn:hover{
    color: #fff200 !important;
}

.flipbook-color-dark{
    color: #Fff !important;
}

/* ICONS */

.flipbook-icon{
    font-weight: 100 !important;
}

.flipbook-icon-angle-right:before{
    content: "\e9009" !important;
}

.flipbook-icon-angle-left:before{
    content: "\e9019" !important;
}

.flipbook-icon-play:before{
    content: "\e1041" !important;
}

.flipbook-icon-bookmark:before{
    content: "\e1111" !important;
}

.flipbook-icon-list-ol:before{
    content: "\e1061" !important;
}

.flipbook-icon-th-large:before{
    content: "\e1051" !important;
}

.flipbook-icon-volume-up:before{
    content: "\e10b1" !important;
}

.flipbook-icon-volume-off:before{
    content: "\e10d1" !important;
}

.flipbook-icon-plus:before{
    content: "\e1071" !important;
}

.flipbook-icon-minus:before{
    content: "\e9001" !important;
}

.flipbook-icon-share-alt:before{
    content: "\e1101" !important;
}

.flipbook-icon-print:before{
    content: "\e10e1" !important;
}

.flipbook-icon-download:before{
    content: "\e1081" !important;
}

.flipbook-icon-file:before{
    content: "\e10c1" !important;
}

.flipbook-icon-expand:before{
    content: "\e10f1" !important;
}

.flipbook-icon-times:before{
    content: "\e1021" !important;   
}