.ri-grid {
    margin: 30px auto 30px;
    position: relative;
    height: auto;
}

    .ri-grid ul.ri-grid-list {
        list-style: none;
        display: block;
        width: 100%;
        margin: 0;
        padding: 0;
    }

    /* Clear floats by Nicolas Gallagher: http://nicolasgallagher.com/micro-clearfix-hack/ */

    .ri-grid ul:before,
    .ri-grid ul:after {
        content: '';
        display: table;
    }

    .ri-grid ul:after {
        clear: both;
    }

    .ri-grid ul.ri-grid-list {
        zoom: 1; /* For IE 6/7 (trigger hasLayout) */
    }

        .ri-grid ul.ri-grid-list li {
            -webkit-perspective: 400px;
            -moz-perspective: 400px;
            -o-perspective: 400px;
            -ms-perspective: 400px;
            perspective: 400px;
            margin: 0;
            padding: 0;
            float: left;
            position: relative;
            display: block;
            overflow: hidden;
            background: #000;
        }

            .ri-grid ul.ri-grid-list li a {
                display: block;
                outline: none;
                position: absolute;
                left: 0;
                top: 0;
                width: 100%;
                height: 100%;
                -webkit-backface-visibility: hidden;
                -moz-backface-visibility: hidden;
                -o-backface-visibility: hidden;
                -ms-backface-visibility: hidden;
                backface-visibility: hidden;
                -webkit-transform-style: preserve-3d;
                -moz-transform-style: preserve-3d;
                -o-transform-style: preserve-3d;
                -ms-transform-style: preserve-3d;
                transform-style: preserve-3d;
                -webkit-background-size: 100% 100%;
                -moz-background-size: 100% 100%;
                background-size: 100% 100%;
                background-position: center center;
                background-repeat: no-repeat;
                background-color: #333;
                -webkit-box-sizing: content-box;
                -moz-box-sizing: content-box;
                box-sizing: content-box;
            }

/* Grid wrapper sizes */
.ri-grid-size-1 {
    width: 55%;
}

.ri-grid-size-2 {
    width: 100%;
}

.ri-grid-size-3 {
    width: 100%;
    margin-top: 0px;
}

/* Shadow style */
.ri-shadow:after,
.ri-shadow:before {
    content: "";
    position: absolute;
    z-index: -2;
    bottom: 15px;
    left: 10px;
    width: 50%;
    height: 20%;
    max-width: 300px;
    max-height: 100px;
    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);
}

.ri-shadow:after {
    right: 10px;
    left: auto;
    -webkit-transform: rotate(3deg);
    -moz-transform: rotate(3deg);
    -ms-transform: rotate(3deg);
    -o-transform: rotate(3deg);
    transform: rotate(3deg);
}

.ri-grid-loading:after,
.ri-grid-loading:before {
    display: none;
}

.ri-loading-image {
    display: none;
}

.ri-grid-loading .ri-loading-image {
    position: relative;
    width: 30px;
    height: 30px;
    left: 50%;
    margin: 100px 0 0 -15px;
    display: block;
}