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CSS

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HTML 

              
                <div class="container-fluid main">

  <nav class="navbar navbar-default">
    <div class="container-fluid">
      <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span> 
        </button>
        <a class="navbar-brand" href="#">Website</a>
      </div>
      <div class="collapse navbar-collapse" id="myNavbar">
        <ul class="nav navbar-nav">
          <li><a href="#">About</a></li>
          <li><a href="#">Contact Us</a></li>
        </ul>
      </div>
    </div>
  </nav>

  <div id="myCarousel" class="carousel carousel-fade slide" data-ride="carousel" data-interval="3000">
    <div class="carousel-inner" role="listbox">
      <div class="item active background a"></div>
      <div class="item background b"></div>
      <div class="item background c"></div>
    </div>
  </div>
  
  <div class="covertext">
    <div class="col-lg-10" style="float:none; margin:0 auto;">
      <h1 class="title">ELINE</h1>
      <h3 class="subtitle">A Tidy, Clean, Easy-to-Use, and Responsive Landing Page Template</h3>
    </div>
    <div class="col-xs-12 explore">
      <a href="#"><button type="button" class="btn btn-lg explorebtn">EXPLORE</button></a>
    </div>
  </div>
  
</div>
!

CSS 

              
                .container-fluid.main{
  position: relative; /* To make the navbar positions relative to this container */
  padding: 0;
}

.navbar-default {
  background-image: none;
  background-color: transparent; /* Make the menu become transparent */
  border-radius: 0px;
  border: 0;
  box-shadow: none;
  padding: 10px;
  position: absolute; /* Make the menu out of the document flow so it can placed anywhere without disturbing other widgets */
  top: 0;
  left: 0;
  right: 0;
  z-index: 10; /* If you delete this line, your menu link won't be clicked because it is behind the background. Applying this code bring the menu in front of the background */
}

.navbar-default .navbar-brand {
  font-family: Verdana;
  color: #ffffff;
  font-size: 20px;
}

.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
  color: #ffffff;
  background-color: transparent;
}

.navbar-default .navbar-nav > li > a {
  color: #ffffff;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: #ffffff;
  background-color: transparent;
}

.navbar-default .navbar-toggle {
  border-color: transparent;
}

.navbar-default .navbar-toggle:hover {
  background-color: transparent;
}

.navbar-default .navbar-toggle:focus {
  background-color: transparent;
}

.navbar-default .navbar-toggle .icon-bar {
  background-color: #ffffff;
}

.carousel .background {
  background-position: center center;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  height: 700px;
}

@media (max-width:991px) {
  .carousel .background {
    background-size: cover; /* To make the background image looks good */
  }
}

.carousel .background.a {
  background-image: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("https://static.pexels.com/photos/92090/pexels-photo-92090-large.jpeg");
}

.carousel .background.b {
  background-image: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("https://static.pexels.com/photos/93750/pexels-photo-93750-large.jpeg");
}

.carousel .background.c {
  background-image: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("https://static.pexels.com/photos/76827/bahia-ocean-bay-boat-76827-large.jpeg");
}

.carousel-fade .carousel-inner .item {
  opacity: 0;
  transition: opacity 0.5s; /* The 0.5s describes the duration to make the opacity from 0 to 1 */
}

.carousel-fade .carousel-inner .active {
  opacity: 1;
}

/* CSS Hack to trigger GPU for smooth transition */
@media all and (transform-3d),
(-webkit-transform-3d) {
  .carousel-fade .carousel-inner > .item.next,
  .carousel-fade .carousel-inner > .item.active.right {
    opacity: 0;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  .carousel-fade .carousel-inner > .item.prev,
  .carousel-fade .carousel-inner > .item.active.left {
    opacity: 0;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  .carousel-fade .carousel-inner > .item.next.left,
  .carousel-fade .carousel-inner > .item.prev.right,
  .carousel-fade .carousel-inner > .item.active {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
/* CSS Hack to trigger GPU for smooth transition */

.covertext {
  position: absolute; /* To make the div to be place anywhere. It is out of the document flow */
  top: 200px; /* The distance between the div with the top of document */
  left: 0px; /* Make the div full width */
  right: 0px; /* Make the div full width */
}

.title {
  font-family: Verdana;
  font-weight: 600;
  font-size: 60px;
  color: #ffffff;
  text-align: center;
}

.subtitle {
  font-family: Verdana;
  font-size: 23px;
  color: #ffffff;
  text-align: center;
}

.explore {
  text-align: center;
  margin-top: 10px;
}

.explore .btn-lg,
.explore .btn-lg:hover {
  border-radius: 30px;
  padding: 15px 25px;
  font-size: 22px;
  background-image: none;
  background-color: #FF4000;
  border-color: #FF4000;
  color: #ffffff;
}

.btn,
.btn:hover {
  border-radius: 0px;
  background-image: none;
  background-color: #FF4000;
  border-color: #FF4000;
  color: #ffffff;
  margin-bottom: 20px;
  box-shadow: none;
  outline: none;
}

.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
  color: #ffffff;
  outline: none;
}
!

JS 

              
                /* When your mouse cursor enter the background, the fading won't pause and keep playing */ 
$('.carousel').carousel({
    pause: "false" /* Change to true to make it paused when your mouse cursor enter the background */
});
!
999px

Console