@import url(https://cdn.rawgit.com/openhiun/hangul/14c0f6faa2941116bb53001d6a7dcd5e82300c3f/nanumbarungothic.css); 

        * {
            -webkit-box-sizing: border-box;
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-image:url("file:///C|/Users/User/AppData/Local/Microsoft/Windows/Temporary Internet Files/Content.IE5/img/cover/back_dot.jpg");
            font-family: "Nanum Barun Gothic", "Ubuntu Condensed", "Noto Sans Korean";;
        }
    //    .gallery_content:hover .overlay.right {
    //        top: 0;
   //     }

        #gallery_layout {
            width: 1200px;
            margin: 0 auto;
        }

        #gallery_layout:after {
            content: "";
            display: block;
            clear: both;
        }

        .gallery_content {
            position: relative;
            float: left;
            width: 16.65555%;   //33.3333333%;
            overflow: hidden;
        }

        .gallery_content img {
            width: 100%;
            height: auto;   //300px;
            display: block;
            margin: 0 auto;
            transition: all 1s ease-in-out;
        }

        .content {
            z-index: 1;
            display: none;
            color: #fff;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        
        .content h1 {
            font-size: 1.2em;
            text-transform: uppercase;
            text-align: center;
        }
        .content p {
            padding: 2px 0;
            font-size: 0.8em;
            text-align: center;
        }        
        .gallery_content:hover .content {
            display: block;
            transition: all 1s ease-in-out;
        }

        .gallery_content:hover img {
            transform: scale(1.2);
            transition: all 1s ease-in-out;
        }

        .overlay {
            display: none;
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            transition: top 0.3s, right 0.3s, bottom 0.3s, left 0.3s;
        }

        /* overlay color */
        .overlay.darkBlue {
            background-color:rgba(31, 50, 99, 0.6);
        }
        .overlay.gold {
            background-color:rgba(216, 177, 126, 0.5);
        }  
        .overlay.pink {
            background-color:rgba(255, 113, 181, 0.7);
        }  
        .overlay.black {
            background-color: rgba(0, 0, 0, 0.5);
        }  
        .overlay.yellow {
            background-color: rgba(103, 58, 183, 0.5);
        }
        .overlay.red {
            background-color: rgba(244, 67, 54, 0.5);
        }      

        .gallery_content:hover .overlay {
            display: block;
            transition: all 0.5s ease-in-out;
        }
        
        @media all and (min-width: 960px) {
            #gallery_layout {
                position: absolute;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
            }  
        }

        @media all and (max-width: 959px) {
        #gallery_layout {
            width: 100%;
        }
        .gallery_content {
            width: 50%;
        }

        }
        @media all and (max-width: 499px) {
        #gallery_layout {
            width: 100%;
        }
        .gallery_content {
            width: 100%;
        }

        }