.social-icons
{
    padding:0px;
    text-align:center;
}
.social-icons .facebook
{
    display:inline-block;
    height:48px;width:48px;
    background:url('./social-icons/facebook-50.png') no-repeat;
}
.social-icons .instagram
{
    display:inline-block;
    height:48px;width:48px;
    background:url('./social-icons/instagram-50.png') no-repeat;
}
.social-icons .youtube
{
    display:inline-block;
    height:48px;width:48px;
    background:url('./social-icons/youtube-50.png') no-repeat;
}
.social-icons .x
{
    display:inline-block;
    height:48px;width:48px;
    background:url('./social-icons/x-50.png') no-repeat;
}