.footer-social-icon-space {padding:10px;}


.icon::before {
    vertical-align: top;
    position: relative;
    display: inline-block;
}

.icon.facebook-30x30::before {
    content: url(https://static.livebooks.com/bf105010c9934f5197e4f2f6cad66e25/i/a3371339018a4f0995ab0fac718ed6c0/1/5feFb8zhrk/facebook-30x30.png);
}

.icon.pinterest-30x30::before {
    content: url(https://static.livebooks.com/bf105010c9934f5197e4f2f6cad66e25/i/ff7df3b8a91d49419560bac93f437de0/1/5feFb8zhrk/pinterest-30x30.png);
}

.icon.instagram-30x30::before {
    content: url(https://static.livebooks.com/bf105010c9934f5197e4f2f6cad66e25/i/b5c19aa1865947599461e3234f5e2e23/1/5feFb8zhrk/instagram-30x30.png);
}

.icon.knoticon::before {
    content: url(https://static.livebooks.com/bf105010c9934f5197e4f2f6cad66e25/i/e189dd17fd004a73b0cf663cfa946a72/1/5feFb8zhrk/k-30px.png);
}