.nav-link {
    font-family: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
    font-size: 20px;
}
a.nav-link
{
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
  color:#ffffff;
}
a.nav-link:hover,
a.nav-link:focus {
  color: #000000;
}
.header-social {
  color: #23408F;
}
.social-block {
  position: absolute;
  vertical-align: bottom;
  width: 95%;
}