@import url(http://fonts.googleapis.com/css?family=Montserrat);

/*basic reset*/

* {
    margin: 0;
    padding: 0;
}


/*forcing the body to take 100% height*/

html,
body {
    min-height: 100%;
}


/*a nice BG*/

body {
    background: #544;
    /*fallback*/
    background: linear-gradient(#544, #565);
}


/*Thumbnail Background*/

.thumb {
    width: 400px;
    height: 300px;
    margin: 70px auto;
    perspective: 1000px;
}

.thumb a {
    display: block;
    width: 100%;
    height: 100%;
    /*double layered BG for lighting effect*/
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url("./1.jpg");
    /*disabling the translucent black bg on the main image*/
    background-size: 0, cover;
    /*3d space for children*/
    transform-style: preserve-3d;
    transform: rotateY(-45deg);
    transition: all 0.5s;
    //animation: swing 5s infinite 0.5s ease; 
}

.thumb:hover a {
    animation: 0;
    transition: all 0.5s;
    //transform: rotateY(-30deg) rotateY(30deg) rotateX(80deg);
    transform-origin: bottom;
    
}

.thumb a:active {
    background-image: url("./2.jpg");
}


/*bottom surface */

.thumb a:after {
    /*36px high element positioned at the bottom of the image*/
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 36px;
    /*inherit the main BG*/
    background: inherit;
    background-size: cover, cover;
    /*draw the BG bottom up*/
    background-position: bottom;
    /*rotate the surface 90deg on the bottom axis*/
    transform: rotateX(90deg);
    transform-origin: bottom;
}


/*label style*/

.thumb a span {
    color: white;
    text-transform: uppercase;
    position: absolute;
    font: bold 12px/36px Montserrat;
    text-align: center;
    /*the rotation is a bit less than the bottom surface to avoid flickering*/
    transform: rotateY(89.99deg);
    transform-origin: left;
    z-index: 1;
    display: inline-block;
    width: 36px;
    word-break: break-all;
    line-height: 20px;
    height: 300px;
    left: 100%;
    background: inherit;
    background-size: cover,cover;
    background-position: right;
}


/*shadow*/

.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;
    /*by default the shadow will be almost flat, very transparent, scaled down with a large blur*/
    opacity: 0.15;
    transform: rotateX(95deg) translateZ(-80px) scale(0.75);
    transform-origin: bottom;
}

.thumb:hover a:before {
    opacity: 1;
    /*blurred effect using box shadow as filter: blur is not supported in all browsers*/
    box-shadow: 0 0 25px 25px rgba(0, 0, 0, 0.5);
    /*pushing the shadow down and scaling it down to size*/
    transform: rotateX(0) translateZ(-60px) scale(0.85);
}

@keyframes swing {
    0% {
        transform: translateY(0) rotateY(-45deg);
    }
    50% {
        transform: translateY(50px) rotateY(-15deg);
    }
    0% {
        transform: translateY(0) rotateY(-45deg);
    }
}