@media only screen and (max-width: 1200px) {
    .left_about p {
        line-height: 28px;
        margin-bottom: 4px;
    }
}
@media only screen and (max-width: 992px) {
    .wrap_about img {
        margin-top: 30px;
        max-width: 300px;
        margin-bottom: 40px;
    }
    .descr_author {
        text-align: center;
    }
    .image_center_about img {
        text-align: left;
        margin-left: 0;
    }

}
@media only screen and (max-width: 800px) {
    .text_start_center h1 {
        font-size: 30px;
    }
}
@media only screen and (max-width: 690px) {
    .particles-js-canvas-el {
        display: none;
    }
    .social-media a, .social_media_footer a {
        font-size: 18px;
        padding: 10px 6px;
    }
    #home nav a {
        display: block;
    }
    button.menu-toggle {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 11;
        transform: translate(0,0);
        -webkit-transform: translate(0,0);
        -o-transform: translate(0,0);
        -moz-transform: translate(0,0);
    }
    .holder {
        transform: translate(0,-307px);
        -webkit-transform: translate(0,-307px);
        -o-transform: translate(0,-307px);
        -moz-transform: translate(0,-307px);
    }
    .portfolio,
    .contact,
    /*.people_say,*/
    .services,
    .wrap_about {
        margin-top: 0;
        padding: 30px 0;
    }
    .wrap_about {
        padding: 50px 0;
    }
    .title_section h2 {
        font-size: 25px;
    }
}
@media only screen and (max-width: 430px) {
    .text_start_center h1 {
        font-size: 21px;
    }
    .single-project-done i,
    .single-project-done h2 {
        font-size: 25px;
    }
    .single-project-done p {
        font-size: 12px;
    }
    footer {
        padding: 0 2%;
    }
    .descr_author h3 {
        font-size: 13px;
    }
    .title_go_about h1 {
        font-size: 25px;
    }
    .title_go_about h2 {
        font-size: 11px;
    }
    .image_center_about img {
        max-width: 100%;
    }
    .single-service {
        padding: 0;
    }
    .single-service h2 {
        font-size: 13px;
    }
    .single-service p {
        font-size: 12px;
    }
    .copy_my_text {
        font-size: 15px;
    }
}