JSFiddle - React, Tailwind, and code Playground

by gulfaraz

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<nav class="navbar navbar-default">
 <div class="container">
  <div class="navbar-header">
    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#main-nav">
      <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
    </button>
      <a class="navbar-brand" href="#">ADEX</a>
    </div>
    <div class="collapse navbar-collapse" id="main-nav">
      <ul class="nav navbar-nav nav-page">
        <li class="dropdown">
          <a href="#">Home</a>
        </li>
        <li class="dropdown">
          <a href="#" data-toggle="collapse" data-target="#one">About</a>
            <div class="sub_menu nav nav-justified collapse" id="one">
                <select>
                    <option value="2015">2015</option>
                    <option value="Mission">Mission</option>
                    <option value="History">History</option>
                 </select>
            </div>
        </li>
        <li class="dropdown">
          <a href="#" data-toggle="collapse" data-target="#two">Programmes</a>
            <div class="sub_menu nav nav-justified collapse" id="two">
                <select>
                    <option value="A">A</option>
                    <option value="B">B</option>
                    <option value="C">C</option>
                    <option value="D">D</option>
                 </select>
            </div>
        </li>
        <li class="dropdown">
          <a href="#" data-toggle="collapse" data-target="#three">Info</a>
            <div class="sub_menu nav nav-justified collapse" id="three">
                <select>
                    <option value="E">E</option>
                    <option...

CSS

.submenu{
  background: #404040;
  margin-bottom: 20px;
  height: 67px;
  padding: 15px;
}

.nav-justified > li > a{
  display: inline-block;
  color: #fff;
  float: left;
  font-weight: 300;
  letter-spacing: 1px;
  padding: 10px;
  white-space: nowrap;
}


.collapsing {
  display:none;
}

.nav-justified .active:before {
  content: '';
  width: 0px;
  height: 0px;
  display: inline-block;
  vertical-align: middle;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid #f9f9f9;
  position: absolute;
  top: 42px;
  right: 0;
  left: 0;
  bottom: 0;
  margin: 0 auto;
}

.nav-justified > li > a:hover,
.nav-justified > li > a:focus{
  background-color: transparent;
  color: #333;
}

.navbar-brand{
  display: none;
}
@media (max-width: 768px){
  .navbar-brand{
    display: block;
  }
}

.navbar{
  background: #F1F1F1!important;
  border: 0!important;
  margin-bottom: 0;
}

.navbar-nav > li > a{
  color: #000!important;
  font-weight: 300;
  letter-spacing: 2px;
}

@media (min-width: 768px){
.navbar-nav > li > a {
  padding-top: 30px;
  padding-bottom: 30px;
 }
}

.navbar-nav > li:hover > a{
  border-top: 7px solid #0083A0;
  border-bottom: 7px solid #0083A0;
  padding-top: 23px;
  padding-bottom: 23px;
}

.nav-page > li > a{
  padding: 0;
}

.nav-page > li{
  padding: 30px 15px;
}

.nav-page > li:hover{
  padding: 0 15px }

  




div.sub_menu {
    display: none;
    position:absolute;
    bottom: -50px;
    min-width: 100%;
}

div.sub_menu.in {
    display: block;
}

div.sub_menu > select {
    background: #404040!important;
    min-width: 100%;
    color: white;
    height: 50px;
    font-size: 24px;
}