/* Header */
header {
  width: 100%;
  margin: 0 auto 20px;
  box-shadow: 0px 4px 5px -5px rgba(0, 0, 0, 0.3);
  background-color: #FFF; }
  @media screen and (max-width: 768px) {
    header {
      margin: 0 auto 10px; } }
  header .header_logo {
    width: 240px; }
    @media screen and (max-width: 1100px) {
      header .header_logo {
        width: 240px; } }
    @media screen and (max-width: 768px) {
      header .header_logo {
        width: 200px; } }
    @media screen and (max-width: 480px) {
      header .header_logo {
        width: 180px; } }
    header .header_logo img {
      width: 100%; }
  header .nav-area {
    padding: 10px 0; }