@media only screen and (max-width: 1300px) { 

    .portfolio {
        width: 100.5%;
    }

    .portfolio li { 
        width:25%;
        margin:0 auto;	
    }

    #navigation ul li, #navigation2 ul li {
        display: inline;
        margin-right: 25px;
    }
    #logo img {
        height: 45px;
        width: auto;
        margin-top: 15px;
    }

    .descr-casa {
        height: 300px;
    }
    .casa-obj .descr_prod {
        height: 95px;
    }
}

@media only screen and (min-width: 1300px) { 
    .one_third2 {
        width: 33.3%;
        float: left;
        margin-right: 0px !important;
    }
}