@charset "utf-8";
    .top_header {
        background: rgba(255, 255, 255, 0.8);
    }
    
    .equipment_headding_bg {
        background-image: url("../images/gallery_bg.png");
        padding-top: 88px;
    }
    
    .container {
        margin: 30px auto 100px;
        max-width: 980px;
        width: 90%;
        position: relative;
    }
    
    .container img {
        margin: 0 auto 30px;
    }
    
    .thumbnail {
        max-width: 850px;
        margin: 20px auto 0;
    }
    
    .thumbnail-img {
        margin: 10px 5px;
    }
    
    .prev-arrow,
    .next-arrow {
        position: absolute;
        z-index: 2;
    }
    
    .next-arrow {
        bottom: -125px;
        right: -5%;
    }
    
    .prev-arrow {
        bottom: -125px;
        left: -5%;
    }
    
    @media screen and (min-width: 769px) {
        .container {
            width: 90%;
        }
    }
    
    @media screen and (max-width: 768px) {
        #slider {
            width: 60%;
            margin: 0 auto;
        }
        #thumbnail {
            width: 80%;
            margin: 0 auto;
        }
        .prev-arrow {
            bottom: -95px;
            left: -29%;
        }
        .next-arrow {
            bottom: -95px;
            right: -29%;
        }
    }
    
    @media screen and (max-width: 480px) {
        .prev-arrow {
            bottom: -67px;
            left: -27%;
            width: 5%;
        }
        .next-arrow {
            bottom: -67px;
            right: -27%;
            width: 5%;
        }
        .container {
            margin: 0 auto 40px;
        }
    }