website/assets/scss/header.scss

.navigation {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  vertical-align: middle;
  opacity: .96;
  box-shadow: 0 4px 8px 0 rgba(36,46,66,.2);
  background-color: #f5f8f9!important;
  border-color: transparent!important;
}

.header-container {
  position: relative;
  width: 1160px;
  margin: 0 auto;
}

.logo {
  position: absolute;
  left: 0;
  padding: 34px 0;
  height: 32px;
}

.nav {
  width: 800px;
  height: 100px;
  margin: 0 auto;
  line-height: 100px;
  text-align: center;
  & > li {
    display: inline-block;
    margin: 0 20px;
    position: relative;
    color: #242e42;
    font-size: 16px;
    text-align: center;
    line-height: 20px;
    cursor: pointer;
  }
  & > .active {
    a {
      color: #55bc8a;
    }
  }
}

.menu-li {
  position: absolute;
  top: 0;
  right: 0;
}

.menu-active {
  span {
    color: #55bc8a;
  }
  .active {
    a {
      color: #55bc8a;
    }
  }
}

.menu-li:hover .dropdown-menu {
  display: block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  width: 200px;
  left: 50%;
  transform: translateX(-50%);
  padding-left: 0;
  background: #ffffff;
  text-align: center;
  line-height: 30px;
  .active {
    a {
      color: #55bc8a;
    }
  }
}

.language-menu {
  top: 40px;
  cursor: pointer;
  .dropdown-menu {
    width: 120px;
  }
}

.main-section {
  padding-top: 100px;
}