Img dropdown issue

Multi tool use


Img dropdown issue
I would like the logo image I have located in the navbar element of my html to slowly dropdown (or even the whole navbar itself), but it won't seem to do anything when i try with JQuery (I am not very familiar with this yet). I am thinking this is due to the fullscreen video I have and some sort of interaction problem with that. Any ideas on how i can make:
img src="img/logo.png"
dropdown with that slidedown animation, if its even possible at all would be greatly appreciated. Thanks.
My Code
* {
box-sizing: border-box;
}
.container {
max-width: 960px;
padding-left: 1rem;
padding-right: 1rem;
margin: auto;
text-align: center;
}
.v-header {
height: 100vh;
display: flex;
align-items: center;
color: #fff;
}
.fullscreen-video-wrap {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100vh;
overflow: hidden;
}
.fullscreen-video-wrap video {
min-height: 100%;
min-width: 100%;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.header-overlay {
height: 100vh;
position: absolute;
top: 0;
left: 0;
width: 100vw;
z-index: 1;
background: #225470;
opacity: 0.4;
}
.header-content {
z-index: 2;
}
<!-- Social media icon sidebar -->
<div class="icon-bar">
<a href="#" class="facebook">
<i class="fa fa-facebook"></i>
</a>
<a href="#" class="twitter">
<i class="fa fa-twitter"></i>
</a>
<a href="#" class="linkedin">
<i class="fa fa-linkedin"></i>
</a>
<a href="#" class="youtube">
<i class="fa fa-youtube"></i>
</a>
</div>
<!-- Transparent navbar -->
<nav class="navbar sticky-top navbar-expand-sm navbar-dark transparent">
<div class="container">
<a class="navbar-brand" href="#">
<img src="img/logo.png" alt=" ">
</a>
<button class="navbar-toggler" data-toggle="collapse" data-target="#navbarNav">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Services</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Contact</a>
</li>
</ul>
</div>
</div>
</nav>
<!-- Video for fullscreen intro with fallback video formats for different browsers -->
<header class="v-header container">
<div class="fullscreen-video-wrap">
<!-- muted for autoplay to work in Chrome -->
<video muted autoplay="true" loop="true">
<source src="video/holoVid.mp4" type="video/mp4">
<source src="video/holoVid.webm" type="video/webm">
<source src="video/holoVid.ogv" type="video/ogg">
<!-- Provide user message if their browser doesn't support html5 video -->
your browser doesn't support HTML5 video.
</video>
</div>
<div class="header-overlay"></div>
<div class="header-content">
<h1>Welcome to the Video Wall</h1>
<p>
Lorem ipsum dolor, sit amet consectetur adipisicing elit.
</p>
<a href="# " class="btn btn-primary ">Read More</a>
</div>
</header>
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