.btn-primary,
.button-primary,
a.button-primary,
.cke-button-primary,
a.cke-button-primary,
.main a.btn-primary,
a.view-all-link {
  background-color: #ffffff;
  color: #000000 ;
  font-size: 1rem;
  line-height: 1.25rem;
  font-weight: 600;
  border-radius: 2px;
  border: 2px solid #000000;
}
.btn-primary:hover, .btn-primary:focus,
.button-primary:hover,
.button-primary:focus,
a.button-primary:hover,
a.button-primary:focus,
.cke-button-primary:hover,
.cke-button-primary:focus,
a.cke-button-primary:hover,
a.cke-button-primary:focus,
.main a.btn-primary:hover,
.main a.btn-primary:focus,
a.view-all-link:hover,
a.view-all-link:focus {
  background-color: #000000 ;
  border-color: #000000 ;
  color: #fff;
 
 
}

.timeline-feature-entry-cta-link a,
.ps-content-list-filters a.btn-primary.content-list-reset,
.ps-publications-references-search-filters > details .details-wrapper input[name=reset],
.block-ps-callout .callout-read-more,
.billboard a.billboard-read-more,
.button-secondary,
a.button-secondary,
.cke-button-secondary,
a.cke-button-secondary {
  background-color: transparent;
  color: #121212;
  font-size: 1rem;
  line-height: 1.25rem;
  font-weight: 600;
  border-radius: 2px;
  border: 2px solid #000000 ;
}
.timeline-feature-entry-cta-link a:hover, .timeline-feature-entry-cta-link a:focus, .timeline-feature-entry-cta-link a:active,
.ps-content-list-filters a.btn-primary.content-list-reset:hover,
.ps-content-list-filters a.btn-primary.content-list-reset:focus,
.ps-content-list-filters a.btn-primary.content-list-reset:active,
.ps-publications-references-search-filters > details .details-wrapper input[name=reset]:hover,
.ps-publications-references-search-filters > details .details-wrapper input[name=reset]:focus,
.ps-publications-references-search-filters > details .details-wrapper input[name=reset]:active,
.block-ps-callout .callout-read-more:hover,
.block-ps-callout .callout-read-more:focus,
.block-ps-callout .callout-read-more:active,
.billboard a.billboard-read-more:hover,
.billboard a.billboard-read-more:focus,
.billboard a.billboard-read-more:active,
.button-secondary:hover,
.button-secondary:focus,
.button-secondary:active,
a.button-secondary:hover,
a.button-secondary:focus,
a.button-secondary:active,
.cke-button-secondary:hover,
.cke-button-secondary:focus,
.cke-button-secondary:active,
a.cke-button-secondary:hover,
a.cke-button-secondary:focus,
a.cke-button-secondary:active {
  background-color: #000000 ;
  border-color: #000000 ;
  color: #fff;
}
.billboard-clickable.billboard-dark .image-caption-overlay a {
    color: #fff;
    border-color: #fff;
}