i.socialMediaIcons { display: inline-block; width: 35px; height: 35px; background-repeat: no-repeat; }

i.linkedinIco { 
    background-image: url(../img/icons/social-media.png);
    background-position: left;
}
i.instagramIco { 
    background-image: url(../img/icons/social-media.png);
    background-position: right;
}

i.ico { display: inline-block; background-repeat: no-repeat; background-position: center; }
i.plusIco { background-image: url(../img/icons/plus-ico.png); width: 49px; height: 49px; }