#auth_box input[type="submit"] {
  float: none;
}

.social-auth-separator {
  padding-top: 20px;
  width: 100%;
  text-align: center;
}

.social-auth-separator .strike-side {
  width: 39%;
  border-bottom: 1px solid #d4d7dc;
  display: inline-block;
  vertical-align: middle;
}

.social-auth-separator .center-text {
  width: 19%;
  display: inline-block;
}