@media(max-width:767px){
    /*  Logo center  */
    .logo{
        text-align: center;
    }
    /*  Hide mainmenu  */
    .mainmenu{
        display: none;
    }

    /*  Gallery item  */
    .gallery-item img{
        width: 100%;
        height: 250px;
    }

    /*  Overlay  */
    .overlay a{
        margin: 105px 7px 0px 7px;
    }
}

@media(min-width:768px){
    /*  Hide responsive menu  */
    .res-mainmenu{
        display: none;
    }
    
    /*  Gallery item  */
    .gallery-item img{
        width: 172px;
        height: 140px;
    }
    
    /*  Overlay  */
    .overlay a{
        margin: 50px 7px 0px 7px;
    }

}

@media(min-width:992px){
    /*  Hide responsive menu  */
    .res-mainmenu{
        display: none;
    }
    
    /*  Gallery item  */
    .gallery-item img{
        width: 227px;
        height: 180px;
    }
    
    /*  Overlay  */
    .overlay a{
        margin: 70px 7px 0px 7px;
    }
}

@media(min-width:1200px){
    /*  Hide responsive menu  */
    .res-mainmenu{
        display: none;
    }
    
    /*  Gallery item  */
    .gallery-item img{
        width: 277px;
        height: 200px;
    }
    
    /*  Overlay  */
    .overlay a{
        margin: 80px 7px 0px 7px;
    }
}