Make footer stick to bottom

.pageContent{
margin:auto;
height:100%;
min-height:100vh;
width: 100%;
background-color: #fafafa;
flex: 1;
position: relative;
} //the whole div of my page
#footer{
display:flex;
justify-content: space-between;
height: 45px;
bottom: 0px;
width: 100%;
background: rgba(24,24,29,0.7);
color:white;
z-index:3;
font-size: 0.76em;
position:absolute;
}//my footer div

<div class="pageContent">
<div id= "footer" style="position:absolute;">
<span id="copyright" class= "centered uppercase"> Epicured &#169;2016</span>
<span class= "flex">
<a class= "pageLink inlineBlock uppercase" href="contact.php">
<span class="text"> Contact </span>
</a>
<a class= "pageLink inlineBlock uppercase" href="legal.php">
<span class="text"> Legal</span>
</a>

<a class= "pageLink inlineBlock uppercase" href="privacy.php">
<span class="text"> Privacy</span>
</a>
</span>
</div>


</div>