Resolved invalid CSS

h1, h2, h3, h4, h5, h6 {
  color: #263246;
}

/* Header edits */
#mainnav .current-menu-item {
  border-bottom: 2px solid #D83A3A;
}

footer {
  display: none !important;
}

#mainnav li {
  padding: 0 2px;
  margin: 0 12px;
}

.site-header {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.site-logo {
  max-height: 125px;
}

.text-slider .subtitle {
  color: #14447c;
  font-size: 24px;
  line-height: 26px;
}

@media only screen and (min-width: 1025px) {

  .text-slider .subtitle {
    padding-left: 190px;
    padding-right: 160px;
  }

  .text-slider .subtitle {
    color: #14447c;
  }

}

@media only screen and (max-width: 1024px) {
    .text-slider .subtitle{
      color: #000000;
    }
}

/* Skills edits */

  .skills_percentage_fix .elementor-progress-wrapper {
    overflow: visible !important;
  }

  .skills_percentage_fix .elementor-progress-percentage {
    margin-top: -20px;
    padding-right: 0;
  }

/* Icons edits */

  .center_icons_fix .elementor-icon-box-wrapper {
    align-items: center !important;
  }

  .center_icons_fix .elementor-icon-box-title {
    line-height: 60px;
    margin-bottom: 15px !important;
  }

/* Our work edits */

  .our_work li a {
    color: #263246;
    padding: 0 2px;
    margin: 0 8px;
  }

  .our_work li a:hover, .our_work .active {
    color: #263246;
    border-bottom: 2px solid #D83A3A;
  }

  .our_work li a {
    border-bottom: 2px solid transparent;
  }

  .our_work li a.active {
    color: #263246;
  }

  .our_work li {
    background-color: transparent;
  }

  .our_work .roll-project.fullwidth .project-item {
    width: 30%;
    margin: 15px;
  }

  .our_work .project-title span {
    position: absolute;
    bottom: 0;
    background-color: #fff;
    width: 89%;
    padding: 18px 25px;
    text-align: left;
    margin: 0 0 20px 20px;
  }

  .our_work .project-pop {
    background-color: transparent !important;
  }

/* Testimonials */
  .test_add_quote .fa {
    display: block;
    text-align: center;
    font-size: 4em;
    color: rgba(255,255,255,0.3) !important;
    margin-bottom: 30px;
  }

  .test_add_quote .avatar {
    width: 80px;
    border: 5px solid rgba(255,255,255,0.7);
  }

  .test_add_quote .testimonial-position:before {
    content: '-';
    margin: 0 5px;
  }

  .test_add_quote .testimonial-position {
    display: inline-block !important;
    text-align: left;
    width: 51%;
  }

  .test_add_quote .testimonial-name {
    text-align: right;
    float: left;
    width: 49%;
  }

  .test_add_quote .owl-theme .owl-controls .owl-page span {
    background-color: rgba(255,255,255,0.3);
    border-color: transparent;
  }

  .test_add_quote .owl-theme .owl-controls .owl-page.active span {
    background-color: #fff;
    width: 40px;
    border-radius: 4px;
  }

/* Team edits */
  .team_hover_edits .team-pop .name, .team_hover_edits .team-pop .pos {
    display: none;
  }

  .team_hover_edits .team-pop .name, .team_hover_edits .team-pop .team-info {
    top: 80% !important;
  }

  .team_hover_edits .team-pop .name, .team_hover_edits .team-pop {
    background-color: transparent !important;
  }

  .team_hover_edits .team-social li a {
    color: #000;
    margin-left: 10px;
    height: 40px;
    width: 40px;
    border: none;
    background-color: #fff;
    border-radius: 0;
    line-height: 42px;
  }

  .team_hover_edits .team-pop .team-social li:hover a {
    color: #fff !important;
    background-color: #D83A3A;
  }

  .team_hover_edits .avatar {
    box-shadow: 0px 11px 40px 0px rgba(79,118,157,0.1);
  }

  .team_hover_edits .team-item {
    padding: 0 25px 0 0 !important;
  }

/* latest_news */
  .latest_news .roll-button {
    border: none !important;
    border-color: transparent !important;
  }

/* footer */
  .footer-widgets {
    padding: 72px 0 62px;
  }

  #sidebar-footer {
    font-size: 14px;
  }

  #media_image-3 {
    margin-bottom: 47px;
  }

  #text-3 {
    font-size: 14px;
    padding: 0;
  }

  #sidebar-footer .col-md-3:first-child {
    width: 338px;
    padding: 0;
    margin-right: 90px;
  }

  #sidebar-footer .col-md-3 {
    width: 18%;
  }

  #sidebar-footer .widget-title {
    color: #fff;
    text-transform: none;
    font-size: 20px;
    margin: 0 0 17px 0;
  }

  #sidebar-footer .widget-title:after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: #D83A3A;
    margin-top: 17px;
  }

  #sidebar-footer .col-md-3:last-child {
    width: 300px;
  }

/* Blog edits */
  #secondary #recent-posts-2 ul li {
    padding: 20px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
  }

  #secondary #recent-posts-2 ul li:last-child {
    border-bottom: none;
  }

  #secondary #recent-posts-2 ul li a {
    font-size: 16px;
    line-height: 24px;
    color: #263246;
    display: block;
    margin-bottom: 10px;
  }

  #secondary #recent-posts-2 ul li span {
    color: #868990;
    font-size: 13px;
  }

  #secondary #categories-2 ul li, #secondary #archives-2 ul li {
    padding: 0;
    font-size: 16px;
    line-height: 40px;
    color: #868990;
    font-weight: bold;
  }

  #secondary .tagcloud a {
    font-size: 13px !important;
    background-color: #F2F2F2;
    padding: 7px 16px;
    margin: 2px;
    display: inline-block;
    word-break: keep-all;
  }

  input[type="text"], input[type="email"] {
    color: #868990;
    background-color: #fff;
    border: 1px solid rgba(0,0,0,0.1);
    height: 42px;
    padding: 13px 20px;
  }

  input[type="submit"] {
    width: 100%;
  }

/* Contact Us*/

  #contact_us_form input::placeholder, textarea::placeholder {
    color: #263246;
  }

  #contact_three_fields {
    background-color: #FAFAFA;
    border: 1px solid #e5e5e5;
    height: 50px;
    padding: 15px 27px;
    margin: 0 0 30px 0;
    width: 31.5%;
  }

  span.YourEmail > input {
    margin: 0 31px 30px 31px !important;
  }

  #contact_message {
    color: #263246;
    background-color: #FAFAFA;
    border: 1px solid #e5e5e5;
    padding: 15px 27px;
    margin: 0 0 30px 0;
    width: 100%;
  }

  #contact_submit {
    width: auto;
    padding: 15px 33px;
    font-size: 14px;
  }

  #contact_us_form {
    text-align: center;
  }

/* Mobile edits */

@media only screen and (max-width: 768px) {
    .our_work .roll-project.fullwidth .project-item {
        width: 45.5%;
  }

  #sidebar-footer .col-md-3:first-child {
    width: 45%;
    margin-right: 70px;
    float: left;
  }

  #sidebar-footer .col-md-3 {
    width: 45%;
    float: left;
  }

  #contact_three_fields, #contact_message {
    margin: 0 30px 30px;
    width: 90%;
  }
}

@media only screen and (max-width: 479px) {
  .our_work .roll-project.fullwidth .project-item {
    width: 93% !important;
  }

  .team_hover_edits .team-item {
    padding: 0 !important;
  }

  #sidebar-footer .col-md-3:first-child {
    width: 100%;
    margin-right: 0;
  }

  #sidebar-footer .col-md-3 {
    width: 100%;
  }

  #sidebar-footer .col-md-3:last-child {
    width: 100%;
  }

  #contact_three_fields, #contact_message {
    width: 85%;
  }

  .contact_iconed_list .elementor-icon-box-icon {
    float: left;
    margin-right: 15px !important;
  }
}