/* @import url(https://fonts.googleapis.com/css?family=Open+Sans); */


body {
    background: #ddd;
    background: linear-gradient(#ddd, #e8e8e8);
    /* font-family: 'Open Sans', sans-serif; */
    height: 100vh;
    margin:0;
}

.thumb {
    width: 460px;
    height: 290px;
    /* margin: 70px auto; */
    perspective: 1000px;
}

.thumb a {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
		url("../images/book_01.jpg");
    background-size: 0, cover;
    transform-style: preserve-3d;
    transition: all 0.5s;
}


.thumb:hover a {
    transform: rotateX(80deg);
    transform-origin: bottom;
}
.thumb a:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 36px;
    background: inherit;
    background-size: cover, cover;
    background-position: bottom;
    transform: rotateX(90deg);
    transform-origin: bottom;
}
.thumb a span {
    color: white;
    text-transform: uppercase;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    /* font: bold 12px/36px "Open Sans"; */
    text-align: center;
    transform: rotateX(-89.99deg);
    transform-origin: top;
    z-index: 1;
}
.thumb a:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 100px 50px rgba(0, 0, 0, 0.5);
    transition: all 0.5s;
    opacity: 0.15;
    transform: rotateX(95deg) translateZ(-80px) scale(0.75);
    transform-origin: bottom;
}

.thumb_2 {
    width: 460px;
    height: 290px;
    /* margin: 70px auto; */
    perspective: 1000px;
}
.thumb:hover a:before {
    opacity: 1;
    box-shadow: 0 0 25px 25px rgba(0, 0, 0, 0.5);
    transform: rotateX(0) translateZ(-60px) scale(0.85);
}


.thumb_2 a {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
		url("https://via.placeholder.com/460x280");
    background-size: 0, cover;
    transform-style: preserve-3d;
    transition: all 0.5s;
}

.thumb_2:hover a {
    transform: rotateX(80deg);
    transform-origin: bottom;
}
.thumb_2 a:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 36px;
    background: inherit;
    background-size: cover, cover;
    background-position: bottom;
    transform: rotateX(90deg);
    transform-origin: bottom;
}
.thumb_2 a span {
    color: white;
    text-transform: uppercase;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    /* font: bold 12px/36px "Open Sans"; */
    text-align: center;
    transform: rotateX(-89.99deg);
    transform-origin: top;
    z-index: 1;
}
.thumb_2 a:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 100px 50px rgba(0, 0, 0, 0.5);
    transition: all 0.5s;
    opacity: 0.15;
    transform: rotateX(95deg) translateZ(-80px) scale(0.75);
    transform-origin: bottom;
}

.thumb_2:hover a:before {
    opacity: 1;
    box-shadow: 0 0 25px 25px rgba(0, 0, 0, 0.5);
    transform: rotateX(0) translateZ(-60px) scale(0.85);
}