#gallery{
    position: fixed;
    left:0;
    top:0;
    width: 100%; 
    height: 100%;
    background-color: rgba(0,0,0, .9);
    z-index: 1000000;
    text-align: center;
    text-align: center;
}

#gallery:before{
    content: '';
    display: inline-block;
    height: 100%;
    width: 0;
    vertical-align: middle;
}

#preload{
    position: absolute;
    z-index: 1;
    width: 50px;
    height: 50px;
    margin-top: -25px;
    margin-left: -25px;
    top: 50%;
    left: 50%;
    background: url(/i/load.gif) no-repeat scroll center #0d0d0d;
    opacity: 0.8;
    border-radius: 3px;
}

#gallery_img{
    display: inline-block;
    vertical-align: middle;
    max-height: 90%;
    max-width: 90%;
    background-color: #fff;
    border-radius: 2px;
    border: 3px solid #fff;
    cursor: pointer;
}

#go_left, #go_right{
    position: absolute;
    top:50%;
    margin-top: -80px;
    height: 70px;
    line-height: 70px;
    width:70px;
    background-color: #333;
    font-size: 76px;
    text-align: center;
    color: #e2e2e2;
}

#go_left{left:0;}
#go_right{right:0;}

#go_left, #go_right, #close_gallery{
    cursor: pointer;
    opacity: .4;
    transition: opacity 0.3s ease;
}

#go_left:hover, #go_right:hover, #close_gallery:hover{
    opacity: .8;
}


#close_gallery{
    position: absolute;
    right: 17px;
    top:5px;
    color:#e2e2e2;
    text-shadow: 1px 1px 1px #333;
    font-size: 40px;

}

@media screen and (max-width: 800px) {
    #go_left, #go_right {
        width: auto;
        padding: 4px 20px;
        font-size: 100px;
        top:  90%;
    }
    #close_gallery {
        font-size: 50px;
        right: 20px;
        top: 0;
    }
}
@media screen and (max-width: 640px) {
    #go_left, #go_right {
        width: auto;
        padding: 4px 20px;
        font-size: 100px;
        top:  auto;
        bottom: 0;
    }
    #close_gallery {
        font-size: 40px;
        right: 20px;
        top: 0;
    }
}
@media screen and (max-width: 480px){
    #go_left, #go_right {
        top: auto;
        bottom: 0;
        padding: 20px 25px;
        font-size: 66px;
        opacity: 0.6;
    }
    #close_gallery {
        font-size: 30px;
        top: 3px;
    }
}
@media screen and (max-width: 360px){
    #go_left, #go_right {
        top: auto;
        bottom: 0;
        padding: 5px 20px;
        font-size: 50px;
        opacity: 0.6;
    }
    #close_gallery {
        font-size: 40px;
        right: 10px;
        top: 3px;
    }
}
@media screen and (max-width :  320px){
    #go_left, #go_right {
        font-size: 70px;
        padding: 0 15px;
    }
    #close_gallery {
        font-size: 25px;
        right: 3px;
        top: -2px;
    }
}