@media screen and (max-width: 1024px) {
    #header .header-content {
        width: 90%;
    }
    .nav-toggle {
        display: block;
    }
    .navigation {
        position: fixed;
        background-color: #000;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        z-index: 99999;
        visibility: hidden;
        opacity: 0;
        -webkit-transition: opacity 0.5s, visibility 0s 0.5s;
        transition: opacity 0.5s, visibility 0s 0.5s;
    }
    .navigation .primary-nav {
        position: relative;
        top: 45%;
        -moz-transform: translateY(-45%);
        -ms-transform: translateY(-45%);
        -webkit-transform: translateY(-45%);
        transform: translateY(-45%);
    }
    .navigation li {
        display: block;
        margin-bottom: 20px;
    }
    .navigation a {
        display: block;
        font-size: 25px;
        margin: 0;
        text-align: center;
    }
    .person {
        margin: 0 auto 50px;
    }
    .person-content h4, .person-content h5 {
        text-align: center;
    }
    .person .social-icons li {
        display: inline-block;
        float: none;
        margin-bottom: 5px;
    }
    .testimonials blockquote {
        padding: 20px 5% 0;
    }
    .testimonials p {
        font-size: 26px;
    }
    .flex-control-nav {
        bottom: 20px;
    }
}
@media screen and (max-width: 768px) {
    .section {
     padding: 0;
        min-height: 300px;
    }
    .banner-text {
        padding-top: 15%;
    }
    .banner-text h1 {
        font-size: 42px;
    }
    .banner-text p {
        font-size: 18px;
    }
    .flexslider {
        padding-bottom: 80px;
    }
    .flex-control-nav {
        width: 100%;
    }
    .footer .footer-col {
        margin-bottom: 50px;
    }
    .feature-box {
        margin: 15px;
    }
    .img-principal {
        height: 250px;
    }
    .person-content {
     text-align: left; 
    
    margin-left:  10px;
    margin-right:  10px;
    }
}
@media screen and (max-width: 640px) {
    .banner-text {
        padding-top: 35%;
    }
}
@media screen and (max-width: 480px) {
    .banner-text {
        padding-top: 45%;
    }
    .banner-text h1 {
        font-size: 32px;
    }
    .img-principal {
        height: 150px;
    }
    .banner-text h2 {
       font-size: 32px;
    }

}
@media screen and (max-width: 320px) {
    .banner-text {
        padding-top: 55%;
    }
    .testimonials blockquote {
        padding: 20px 5% 0;
    }
    .testimonials p {
        font-size: 26px;
    }
}