social.html

<img src="images/social/gplus-gray.png" alt="G+"
     onmouseover="this.src='images/social/gplus-hover.png'"
     onmouseout="this.src='images/social/gplus-gray.png'"/>

<img src="images/social/fb-gray.png" alt="facebook"
     onmouseover="this.src='images/social/fb-hover.png'"
     onmouseout="this.src='images/social/fb-gray.png'"/>

<img src="images/social/twit-gray.png" alt="Twitter"
     onmouseover="this.src='images/social/twit-hover.png'"
     onmouseout="this.src='images/social/twit-gray.png'"/>


<img src="images/social/gplus-gray@2x.png" alt="G+"
     onmouseover="this.src='images/social/gplus-hover@2x.png'"
     onmouseout="this.src='images/social/gplus-gray@2x.png'"/>

<img src="images/social/fb-gray@2x.png" alt="facebook"
     onmouseover="this.src='images/social/fb-hover@2x.png'"
     onmouseout="this.src='images/social/fb-gray@2x.png'"/>

<img src="images/social/twit-gray@2x.png" alt="Twitter"
     onmouseover="this.src='images/social/twit-hover@2x.png'"
     onmouseout="this.src='images/social/twit-gray@2x.png'"/>