.facebook-btn {
    background-image: url('images/fb-icon.svg');
    background-repeat: no-repeat;
    background-position: center center;  
    opacity:0.57;
}

.google-btn {
    background-image: url('images/google-icon.svg');
    background-repeat: no-repeat;
    background-position: center center; 
    opacity:0.57;
}

.twitter-btn {
    background-image: url('images/twitter-account-logo.png');
    background-repeat: no-repeat;
}

.microsoft-btn {
    background-image: url('images/microsoft-account-logo.png');
    background-repeat: no-repeat;
}

.linkedin-btn {
    background-image: url('images/linkedin-account-logo.png');
    background-repeat: no-repeat;
}

.ExtendedAuthentication .social ul {
    font-size: 0;
    margin-top: 13px;
}

.ExtendedAuthentication .social li {
    margin: 0 30px 0 0;
}

.ExtendedAuthentication .social li {
    display: inline-block;
    /*margin: 0 5px;*/
}

.ExtendedAuthentication .social .facebook a {
    background-position: 0 0;
}

.ExtendedAuthentication .social a {
    display: block;
    width: 40px;
    height: 40px;
    font-size: 0;
}
.ExtendedAuthentication .social a:hover, .ExtendedAuthentication .social a:active{
    opacity:1;
}