nav {
   background-color: white;
   display: flex;
   align-items: center;
   position: absolute;
   z-index: 100;
   width: 100%;
   padding: 5px 30px;
}

.nav-header {
   display: flex;
   width: 100%;
   justify-content: space-between;
   align-items: center;
}

.nav-brand {
   color: #ff000e;
   font-size: 1.5em;
   display: flex;
   align-items: center;
   margin: 0;
}

.nav-link, .nav-link:visited, .nav-link:active {
   color: #0bd000;
   padding: 10px 10px;
   transition: color 0.3s;
   text-decoration: none;
   cursor: pointer;
}

.nav-link:hover {
   color: #ff000e;
}

.nav-link-padding {
   padding-right: 7.5px;
}

.nav-items {
   display: flex;
}

.nav-items-right {
   margin-left: auto;
}

.nav-link-toggle {
   display: none;
   font-size: 1.3em;
   padding: 10px 10px;
}

.collapse-bars {
   margin: 0;
   color: black;
}

/* for-phone-only-portrait */
@media (max-width: 599px) {
  li.nav-link-padding {
     margin: 7.5px 0;
  }

  nav {
     padding: 5px;
  }

  nav,
  .nav-items
  {
     flex-direction: column;
     opacity: 0.95;
  }

  .nav-items {
     max-height: 0;
     margin: 0;
     overflow: hidden;
     text-align: center;
     position: relative;
     transition: all 0.5s;
  }

  .nav-items-right {
     margin-left: 0;
  }

  .nav-toggle-show {
     max-height: 500px;
     margin: auto;
  }

  .nav-link-toggle {
     display: initial;
     cursor: pointer;
  }
}