.portfolio-filters{
    margin: 0 -13px;
    margin-top: 25px;
}
.portfolio-filters .filter{
    width: 33.3%;
    padding: 13px;
    box-sizing: border-box;
    display: inline-block;
}


.portfolio{
    margin: 0 -13px;
    margin-top: -13px;
    text-align: center;
}


.portfolio-filters .select{
    width: 345px;
}


/*responsive--------------------------------------------------*/

@media(max-width: 1360px){
    .portfolio,
    .portfolio-filters{
        margin: 0 27px;
    }
    .portfolio-filters{
        margin-top: 20px;
    }
    .portfolio-filters .filter{
        padding-bottom: 0;
    }
}

@media(max-width: 1180px){
    .portfolio-filters .select{
        width: 100%;
        box-sizing: border-box;
    }
    .portfolio-filters .filter,
    .portfolio-thumb{
        padding: 10px;
    }
    .portfolio-filters .filter{
        padding-bottom: 0;
    }
}

@media(max-width: 700px){
    .portfolio-thumb{
        width: 50%;
    }
    .portfolio,
    .portfolio-filters{
        margin: 0 17px;
    }
    .portfolio-filters{
        margin-top: 15px;
    }
    .portfolio-filters .filter{
        width: 50%;
        padding-bottom: 0px;
    }
    .portfolio-filters .filter:nth-child(3){
        width: 100%;
    }
}

@media(max-width: 600px){
    .portfolio,
    .portfolio-filters{
        margin: 0 7px;
    }
    .portfolio-filters{
        margin-top: 15px;
    }
}

@media(max-width: 450px){
    .portfolio-thumb{
        width: 100%;
    }
    .portfolio-filters .filter{
        width: 100%;
        padding-top: 0;
        margin-top: 5px;
    }
}



.portfolio-content