:root {
  --md-primary-fg-color:        #0e0727;
  --md-primary-fg-color--light: #1a1a1a;
  --md-primary-fg-color--dark:  #1a1a1a;
}


@media(prefers-color-scheme:dark)
  {
    :root > * {
      --md-hue: 232!important;
      --md-default-fg-color: hsla(var(--md-hue), 75%, 95%, 1)!important;
      --md-default-fg-color--light: hsla(var(--md-hue), 75%, 90%, 0.62)!important;
      --md-default-fg-color--lighter: hsla(var(--md-hue), 75%, 90%, 0.32)!important;
      --md-default-fg-color--lightest: hsla(var(--md-hue), 75%, 90%, 0.12)!important;
      --md-default-bg-color: hsla(var(--md-hue), 15%, 21%, 1)!important;
      --md-default-bg-color--light: hsla(var(--md-hue), 15%, 21%, 0.54)!important;
      --md-default-bg-color--lighter: hsla(var(--md-hue), 15%, 21%, 0.26)!important;
      --md-default-bg-color--lightest: hsla(var(--md-hue), 15%, 21%, 0.07)!important;
      --md-code-fg-color: hsla(var(--md-hue), 18%, 86%, 1)!important;
      --md-code-bg-color: hsla(var(--md-hue), 15%, 15%, 1)!important;
      --md-code-hl-color: hsla(218, 100%, 63%, 0.15)!important;
      --md-code-hl-number-color: rgb(2, 1, 0)!important;
      --md-code-hl-special-color: hsla(340, 83%, 66%, 1)!important;
      --md-code-hl-function-color: hsla(291, 57%, 65%, 1)!important;
      --md-code-hl-constant-color: hsla(250, 62%, 70%, 1)!important;
      --md-code-hl-keyword-color: hsla(219, 66%, 64%, 1)!important;
      --md-code-hl-string-color: hsla(150, 58%, 44%, 1)!important;
      --md-typeset-a-color: var(--md-primary-fg-color--light)!important;
      --md-typeset-mark-color: hsla(218, 100%, 63%, 0.3)!important;
      --md-typeset-kbd-color: hsla(var(--md-hue), 15%, 94%, 0.12)!important;
      --md-typeset-kbd-accent-color: hsla(var(--md-hue), 15%, 94%, 0.2)!important;
      --md-typeset-kbd-border-color: hsla(var(--md-hue), 15%, 14%, 1)!important;
      --md-admonition-bg-color: hsla(var(--md-hue), 0%, 100%, 0.025)!important;
      --md-footer-bg-color: hsla(var(--md-hue), 15%, 12%, 0.87)!important;
      --md-footer-bg-color--dark: hsla(var(--md-hue), 15%, 10%, 1)!important;
    }
  }

  .md-header {
    height: 2.4rem;
    transition: color 250ms,background-color 250ms;
    /* background: linear-gradient(88.23deg, #A540E9 8.19%, #5021DF 10.32%, #0F0828 16.1%, #012263 112.18%)!important; */
    background: linear-gradient(90.23deg, #A540E9 2.19%, #5021DF 9.32%, #0F0828 21.1%, #012263 112.18%)!important;
    /* background: url('../img/nav_bg.png') no-repeat !important;
    background-size: cover !important;
    background-position: -70px !important; */
  }
  .md-search__form {
    border-radius: 1.1rem !important;
  }
  .md-search__input {
    border-radius: 1.1rem !important;
    font-size: 0.6rem !important;
  }
  

  .md-search__output {
    border-radius: 1.1rem!important;
  }

  .md-footer-copyright {
    margin: 0 auto !important;
  }

  .header_nav ul>li>ul>li>ul{
    margin-top:-32px; 
    margin-left:147px;
  }

  @media(max-width:2000px) {
    .header_nav ul>li>ul>li>ul {
      margin-left: 131px !important;
    }
  }

  @media(min-width:2000px) {
    .second_menu {
      position: relative !important;
      margin-top: 14.5px !important;
    }

    .second_menu ::after {
      left: 125px!important;
    }
    .header_nav ul>li>ul>li>ul {
      margin-top:-32.5px!important ;
    }
  }

  @media(max-width:1600px) {

    .subgroupContainer,
    .md-header-nav {
      width: 100%;
      margin: auto;
    }

    .divImageText h2 {
      font-size: 3.4em;
    }

    .divImageText span {
      font-size: 1.2em;
    }
    .second_menu {
      position: relative;
      margin-top: 7.5px!important;
    }

    .header_nav ul>li>ul>li>ul {
      margin-left: 116px!important;
    }
  }

  @media(max-width:1290px) {

    .header_nav {
      display:none
    }

    .divImageText h2 {
      font-size: 2.4em;
    }

    .divImageText span {
      font-size: 1.0em;
    }
  }

  .header_nav li{
    list-style: none;
    float: left;
    width: 7.8rem;
    height: 30px;
    line-height: 30px;
    text-align: center;
  }