@media only screen and (max-width: 1450px) {
    .portfolioItem {
        height: 250px;
    }
}

@media only screen and (max-width: 1300px) {
    .servicesContent div ul {
        margin: 0;
        padding: 5px 30px;
    }
}

@media only screen and (max-width: 1000px) {
    .toolsContent {
        padding-top: 40px;
        padding-bottom: 40px;
        float: unset;
        width: 100%;
    }

    .footerLists ul {
        width: 50%;
        padding: 10px 0;
    }

    .contactAddress {
        width: 100%;
        float: none;
    }

    .certificationContent ul li {
        display: block;
    }
}

@media only screen and (max-width: 900px) {
    .portfolioItem {
        height: 200px;
    }
}

@media only screen and (max-width: 750px) {
    .contactForm label {
        display: block;
        width: 100%;
        margin-bottom: 15px;
    }

    .footerLists ul {
        float: unset;
        width: 100%;
    }

    .portfolioContent {
        width: 300px;
    }

    .portfolioItem {
        height: auto;
        width: 100%;
    }

    .portfolioItem div img {
        width: inherit;
    }

    .container .overview p {
        font-size: 16px;
    }

    .contactContent .contactIcDic {
        text-align: left;
    }

    .navigation a {
        display: block;
        padding: 10px;
    }

    .navigation .activeNavLink {
        border: none;
    }
}

@media only screen and (max-width: 500px) {

    .slider {
        height: 300px;
    }

    .slider .verticalCentered {
        width: 80%;
        margin: auto;
    }

    .slider .verticalCentered h1 {
        font-size: 30px;
    }

    .subSlider h1 {
        font-size: 60px;
    }

    .aboutContent {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .toolsContent {
        padding-top: 10px;
        padding-bottom: 10px;
        padding-left: 0;
        padding-right: 0;
    }

    .servicesContent {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .servicesContent div ul {
        padding-right: 0;
    }

    .beforeSendContent {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .actionButton a {
        font-size: 15px;
    }

    .portfolioContent {
        width: 100%;
    }

    .portfolioItem {
        height: auto;
        width: 80%;
        margin: auto;
        margin-bottom: 20px;
        margin-top: 20px;
    }

    .portfolioItem div {
        width: 100%;
    }

    .portfolioItem div img {
        width: inherit;
    }

    .container .overview p {
        font-size: 12px;
    }
}