.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 19;
}

.header-navs {
  padding: 45px 0 30px 0;
}

.nav-logo {
  padding-bottom: 10px;
  padding-right: 46px;
}

.nav-logo img {
  width: 200px;
}

.nav-item {
  position: relative;
}

.nav-lower {
  position: absolute;
  top: 47px;
  left: 0;
  height: 0;
  transition: height 0.15s;
  -webkit-transition: height 0.15s;
  -moz-transition: height 0.15s;
  -ms-transition: height 0.15s;
  -o-transition: height 0.15s;
  overflow: hidden;
  background-color: #fff;
}

.nav-item:hover .nav-lower {
  height: 350px;
}

.nav-item:hover .nav-lover-case {
  height: 250px;
}

.nav-lower-item {
  padding-top: 3px;
}

.nav-link {
  padding: 10px 20px;
  color: #585858 !important;
  text-align: center;
  font-size: 18px;
  position: relative;
  display: block;
}

.nav-lower-item .nav-link {
  padding: 10px;
  min-width: 182px;
}

.nav-link:hover,
.nav-link-active {
  color: #034d24 !important;
}