styling link text in a div - html

Question

I am having trouble editing links in a div. I would like the link text to be centered vertically inside it's black div. I would also like the box background to change to red on hover...
thanks so much for any assistance!
html:
<div id="footer_subscribe">
<input type="text" class="subscribe" value="Email Address" />
Subscribe
</div>
<div id="footer_facebook">
<img src="http://s26.postimg.org/q5tytjx2t/nav_facebook.jpg" />
Become a Fan
</div>
<div id="footer_youtube">
<img src="http://s26.postimg.org/rywvhvi9h/nav_youtube.jpg" />
Watch Us
</div>
css:
#footer_subscribe {
background:#000;
width:305px;
height:35px;
float:left;
padding:0;
}
input.subscribe {
border:2px solid black;
margin:2px;
width:200px;
height:24px;
}
#footer_facebook {
background:#000;
width:155px;
height:35px;
float:left;
padding:0;
margin-left:5px;
}
#facebook_logo {
width:32px;
height:32px;
}
a.footer_social {
font-family:Arial, Helvetica, sans-serif;
font-size:1em;
/* 14px/16=0.875em */
font-style:normal;
text-decoration:none;
color:#FFF;
}
a:link.footer_social {
font-family:Arial, Helvetica, sans-serif;
font-size:1em;
/* 14px/16=0.875em */
font-style:normal;
text-decoration:none;
color:#FFF;
}
a:link.visited.footer_social {
color:#FFF;
}
a:link.hover.footer_social {
color:#F00;
}
http://jsfiddle.net/4os21tzf/

Answer 1

#footer_subscribe {
background:#000;
width:305px;
height:35px;
float:left;
padding:0;
line-height: 33px;
}
#footer_subscribe:hover {
background:red;
}
#footer_facebook {
background: none repeat scroll 0% 0% #000;
width: 155px;
float: left;
padding: 0px;
margin-left: 5px;
line-height: 35px;
height: 35px;
}
#footer_facebook:hover {
background:red;
}
a.footer_social:link {
font-family: Arial,Helvetica,sans-serif;
font-size: 1em;
font-style: normal;
text-decoration: none;
color: #FFF;
vertical-align: top;
padding-top: 10px;
}
a.footer_social:hover{
color: red;
}
JSFIDDLE DEMO

Answer 2

To change the colour of the link on hover?
a.footer_social:hover{
color:#F00;
}
To change the colour background on hover (link):
a.footer_social:hover{
color:#000000;
background-color:red;
}
Change the colour of the background (entire div)
#footer_facebook:hover{
background-color:red;
}

Answer 3

#footer_subscribe:hover
{
background:Red;
}

Answer 4

To change color add this to your CSS:
#footer_subscribe:hover
{
background-color:red;
}
#footer_facebook:hover
{
background-color:red;
}
For text alignment:
a:link.footer_social {
font-family:Arial, Helvetica, sans-serif;
font-size:1em;
/* 14px/16=0.875em */
font-style:normal;
text-decoration:none;
color:#FFF;
vertical-align: top;
}

Answer 5

use display:table; in parent div and use display: table-cell; vertical-align: middle; in link
#footer_subscribe {
display:table;
}
a.footer_social:link{
display: table-cell;
vertical-align: middle;
}
#footer_subscribe:hover{
background-color:red;
}
working jsFiddle Link
hope this works for you.