*,
*:after,
*:before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

.container ::before,
.container ::after {
    content: "";
}

html,
body {
    height: 100%;
    -webkit-font-smoothing: subpixel-antialiased;
}

html {
    font-size: 100%;
}

body {
    background: url('../images/Background/bg.webp');
    color: #34495e;
    font-family: 'Lato', 'Arial', sans-serif;
    font-weight: 400;
    line-height: 1.2;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-attachment: fixed;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.all-container {
    opacity: 0;
    height: 100%;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #FDFDFD;
    z-index: 999999;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.btn-danger {
    color: white;
}

.btn-danger:hover {
    background-color: white;
    color: red;
    border: 1px solid white;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.container a {
    color: #2c3e50;
    text-decoration: none;
}

.container .btn {
    display: inline-block;
    border: 2px solid #2c3e50;
    margin-top: 100px;
    font-size: 15px;
    font-weight: 700;
    padding: 0.1em 0.4em;
    text-align: center;
    -webkit-transition: color 0.3s, border-color 0.3s;
    -moz-transition: color 0.3s, border-color 0.3s;
    transition: color 0.3s, border-color 0.3s;
}

.container .btn:hover {
    border-color: #34495e;
    color: white;
    background-color: #34495e;
}

.container .align {
    clear: both;
    margin: 60px auto 20px;
    width: 100%;
    max-width: 1170px;
    text-align: center;
}

.align>li {
    width: 500px;
    min-height: 300px;
    display: inline-block;
    margin: 30px 20px 30px 30px;
    padding: 0 0 0 60px;
    vertical-align: top;
}

#sug {
    transition: .5s;
}

#sug:hover {
    transform: scale(1.5);
}

.book {
    position: relative;
    width: 160px;
    height: 220px;
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    perspective: 1000px;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.hardcover_front li:first-child {
    background-color: #eee;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
}

.hardcover_front li:last-child {
    background: #fffbec;
}

.hardcover_back li:first-child {
    background: #fffbec;
}

.hardcover_back li:last-child {
    background: #fffbec;
}

.book_spine li:first-child {
    background: #eee;
}

.book_spine li:last-child {
    background: #333;
}

.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before,
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before,
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before,
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before,
.book_spine li:first-child:after,
.book_spine li:first-child:before,
.book_spine li:last-child:after,
.book_spine li:last-child:before {
    background: #999;
}

.page>li {
    background: -webkit-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    background: -moz-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    background: -ms-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    background: linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    box-shadow: inset 0px -1px 2px rgba(50, 50, 50, 0.1), inset -1px 0px 1px rgba(150, 150, 150, 0.2);
    border-radius: 0px 5px 5px 0px;
}

.hardcover_front {
    -webkit-transform: rotateY(-34deg) translateZ(8px);
    -moz-transform: rotateY(-34deg) translateZ(8px);
    transform: rotateY(-34deg) translateZ(8px);
    z-index: 100;
}

.hardcover_back {
    -webkit-transform: rotateY(-15deg) translateZ(-8px);
    -moz-transform: rotateY(-15deg) translateZ(-8px);
    transform: rotateY(-15deg) translateZ(-8px);
}

.page li:nth-child(1) {
    -webkit-transform: rotateY(-28deg);
    -moz-transform: rotateY(-28deg);
    transform: rotateY(-28deg);
}

.page li:nth-child(2) {
    -webkit-transform: rotateY(-30deg);
    -moz-transform: rotateY(-30deg);
    transform: rotateY(-30deg);
}

.page li:nth-child(3) {
    -webkit-transform: rotateY(-32deg);
    -moz-transform: rotateY(-32deg);
    transform: rotateY(-32deg);
}

.page li:nth-child(4) {
    -webkit-transform: rotateY(-34deg);
    -moz-transform: rotateY(-34deg);
    transform: rotateY(-34deg);
}

.page li:nth-child(5) {
    -webkit-transform: rotateY(-36deg);
    -moz-transform: rotateY(-36deg);
    transform: rotateY(-36deg);
}

.hardcover_front,
.hardcover_back,
.book_spine,
.hardcover_front li,
.hardcover_back li,
.book_spine li {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.hardcover_front,
.hardcover_back {
    -webkit-transform-origin: 0% 100%;
    -moz-transform-origin: 0% 100%;
    transform-origin: 0% 100%;
}

.hardcover_front {
    -webkit-transition: all 0.8s ease, z-index 0.6s;
    -moz-transition: all 0.8s ease, z-index 0.6s;
    transition: all 0.8s ease, z-index 0.6s;
}

.hardcover_front li:first-child {
    cursor: default;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -webkit-transform: translateZ(2px);
    -moz-transform: translateZ(2px);
    transform: translateZ(2px);
}

.hardcover_front li:last-child {
    -webkit-transform: rotateY(180deg) translateZ(2px);
    -moz-transform: rotateY(180deg) translateZ(2px);
    transform: rotateY(180deg) translateZ(2px);
}

.hardcover_back li:first-child {
    -webkit-transform: translateZ(2px);
    -moz-transform: translateZ(2px);
    transform: translateZ(2px);
}

.hardcover_back li:last-child {
    -webkit-transform: translateZ(-2px);
    -moz-transform: translateZ(-2px);
    transform: translateZ(-2px);
}

.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before,
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before,
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before,
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before,
.book_spine li:first-child:after,
.book_spine li:first-child:before,
.book_spine li:last-child:after,
.book_spine li:last-child:before {
    position: absolute;
    top: 0;
    left: 0;
}

.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before {
    width: 4px;
    height: 100%;
}

.hardcover_front li:first-child:after {
    -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}

.hardcover_front li:first-child:before {
    -webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    transform: rotateY(90deg) translateZ(158px) translateX(2px);
}

.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before {
    width: 4px;
    height: 160px;
}

.hardcover_front li:last-child:after {
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
}

.hardcover_front li:last-child:before {
    box-shadow: 0px 0px 30px 5px #333;
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
}

.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before {
    width: 4px;
    height: 100%;
}

.hardcover_back li:first-child:after {
    -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}

.hardcover_back li:first-child:before {
    -webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    transform: rotateY(90deg) translateZ(158px) translateX(2px);
}

.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before {
    width: 4px;
    height: 160px;
}

.hardcover_back li:last-child:after {
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
}

.hardcover_back li:last-child:before {
    box-shadow: 10px -1px 80px 20px #666;
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
}

.book_spine {
    -webkit-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
    -moz-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
    transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
    width: 16px;
    z-index: 0;
}

.book_spine li:first-child {
    -webkit-transform: translateZ(2px);
    -moz-transform: translateZ(2px);
    transform: translateZ(2px);
}

.book_spine li:last-child {
    -webkit-transform: translateZ(-2px);
    -moz-transform: translateZ(-2px);
    transform: translateZ(-2px);
}

.book_spine li:first-child:after,
.book_spine li:first-child:before {
    width: 4px;
    height: 100%;
}

.book_spine li:first-child:after {
    -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}

.book_spine li:first-child:before {
    -webkit-transform: rotateY(-90deg) translateZ(-12px);
    -moz-transform: rotateY(-90deg) translateZ(-12px);
    transform: rotateY(-90deg) translateZ(-12px);
}

.book_spine li:last-child:after,
.book_spine li:last-child:before {
    width: 4px;
    height: 16px;
}

.book_spine li:last-child:after {
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
}

.book_spine li:last-child:before {
    box-shadow: 5px -1px 100px 40px rgba(0, 0, 0, 0.2);
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
}

.page,
.page>li {
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.page {
    width: 100%;
    height: 98%;
    top: 1%;
    left: 3%;
    z-index: 10;
}

.page>li {
    width: 100%;
    height: 100%;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    transform-origin: left center;
    -webkit-transition-property: transform;
    -moz-transition-property: transform;
    transition-property: transform;
    -webkit-transition-timing-function: ease;
    -moz-transition-timing-function: ease;
    transition-timing-function: ease;
}

.page>li:nth-child(1) {
    -webkit-transition-duration: 0.6s;
    -moz-transition-duration: 0.6s;
    transition-duration: 0.6s;
}

.page>li:nth-child(2) {
    -webkit-transition-duration: 0.6s;
    -moz-transition-duration: 0.6s;
    transition-duration: 0.6s;
}

.page>li:nth-child(3) {
    -webkit-transition-duration: 0.4s;
    -moz-transition-duration: 0.4s;
    transition-duration: 0.4s;
}

.page>li:nth-child(4) {
    -webkit-transition-duration: 0.5s;
    -moz-transition-duration: 0.5s;
    transition-duration: 0.5s;
}

.page>li:nth-child(5) {
    -webkit-transition-duration: 0.6s;
    -moz-transition-duration: 0.6s;
    transition-duration: 0.6s;
}

.book:hover>.hardcover_front {
    -webkit-transform: rotateY(-145deg) translateZ(0);
    -moz-transform: rotateY(-145deg) translateZ(0);
    transform: rotateY(-145deg) translateZ(0);
    z-index: 0;
}

.book:hover>.page li:nth-child(1) {
    -webkit-transform: rotateY(-30deg);
    -moz-transform: rotateY(-30deg);
    transform: rotateY(-30deg);
    -webkit-transition-duration: 1.5s;
    -moz-transition-duration: 1.5s;
    transition-duration: 1.5s;
}

.book:hover>.page li:nth-child(2) {
    -webkit-transform: rotateY(-35deg);
    -moz-transform: rotateY(-35deg);
    transform: rotateY(-35deg);
    -webkit-transition-duration: 1.8s;
    -moz-transition-duration: 1.8s;
    transition-duration: 1.8s;
}

.book:hover>.page li:nth-child(3) {
    -webkit-transform: rotateY(-118deg);
    -moz-transform: rotateY(-118deg);
    transform: rotateY(-118deg);
    -webkit-transition-duration: 1.6s;
    -moz-transition-duration: 1.6s;
    transition-duration: 1.6s;
}

.book:hover>.page li:nth-child(4) {
    -webkit-transform: rotateY(-130deg);
    -moz-transform: rotateY(-130deg);
    transform: rotateY(-130deg);
    -webkit-transition-duration: 1.4s;
    -moz-transition-duration: 1.4s;
    transition-duration: 1.4s;
}

.book:hover>.page li:nth-child(5) {
    -webkit-transform: rotateY(-140deg);
    -moz-transform: rotateY(-140deg);
    transform: rotateY(-140deg);
    -webkit-transition-duration: 1.2s;
    -moz-transition-duration: 1.2s;
    transition-duration: 1.2s;
}

.coverDesign {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    overflow: hidden;
    z-index: 1;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
}

.coverDesign::after {
    background-image: -webkit-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    background-image: -moz-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    background-image: linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

.coverDesign h1 {
    color: #fff;
    font-size: 2.2em;
    letter-spacing: 0.05em;
    text-align: center;
    margin: 54% 0 0 0;
    text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.1);
}

.coverDesign p {
    color: #f8f8f8;
    font-size: 1em;
    text-align: center;
    text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.1);
}

.yellow {
    background-color: #dbbc0c;
    background-image: -webkit-linear-gradient(top, #f1c40f 58%, #e7ba07 0%);
    background-image: -moz-linear-gradient(top, #f1c40f 58%, #e7ba07 0%);
    background-image: linear-gradient(top, #f1c40f 58%, #e7ba07 0%);
}

.orange {
    background-color: #db690c;
    background-image: -webkit-linear-gradient(top, #db690c 58%, #ca5b27 0%);
    background-image: -moz-linear-gradient(top, #db690c 58%, #ca5b27 0%);
    background-image: linear-gradient(top, #db690c 58%, #ca5b27 0%);
}

.green {
    background-color: #0c9112;
    background-image: -webkit-linear-gradient(top, #0c9112 58%, #0b7911 0%);
    background-image: -moz-linear-gradient(top, #0c9112 58%, #0b7911 0%);
    background-image: linear-gradient(top, #0c9112 58%, #0b7911 0%);
}

.blue {
    background-color: #3498db;
    background-image: -webkit-linear-gradient(top, #3498db 58%, #2a90d4 0%);
    background-image: -moz-linear-gradient(top, #3498db 58%, #2a90d4 0%);
    background-image: linear-gradient(top, #3498db 58%, #2a90d4 0%);
}

.grey {
    background-color: #f8e9d1;
    background-image: -webkit-linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);
    background-image: -moz-linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);
    background-image: linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);
}

.ribbon {
    background: #c0392b;
    color: #fff;
    display: block;
    font-size: 0.7em;
    position: absolute;
    top: 11px;
    right: 1px;
    width: 40px;
    height: 20px;
    line-height: 20px;
    letter-spacing: 0.15em;
    text-align: center;
    -webkit-transform: rotateZ(45deg) translateZ(1px);
    -moz-transform: rotateZ(45deg) translateZ(1px);
    transform: rotateZ(45deg) translateZ(1px);
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
    z-index: 10;
}

.ribbon::before,
.ribbon::after {
    position: absolute;
    top: -20px;
    width: 0;
    height: 0;
    border-bottom: 20px solid #c0392b;
    border-top: 20px solid transparent;
}

.ribbon::before {
    left: -20px;
    border-left: 20px solid transparent;
}

.ribbon::after {
    right: -20px;
    border-right: 20px solid transparent;
}

figcaption {
    padding-left: 40px;
    text-align: left;
    position: absolute;
    top: 0%;
    left: 160px;
    width: 310px;
    cursor: pointer;
    font-family: Kalpurush;
}

figcaption h1 {
    margin: 0;
}

figcaption span {
    color: #16a085;
    padding: 0.6em 0 1em 0;
    display: block;
}

figcaption p {
    color: #63707d;
    line-height: 1.3;
}


/* Media Queries */

@media screen and (max-width: 37.8125em) {
    .align>li {
        width: 100%;
        min-height: 440px;
        height: auto;
        padding: 0;
        margin: 0 0 30px 0;
    }
    .book {
        margin: 0 auto;
    }
    figcaption {
        text-align: center;
        width: 320px;
        top: 250px;
        padding-left: 0;
        left: -80px;
        font-size: 90%;
    }
}

figcaption:hover {
    color: #ed4e6e;
}