header .block-language .links span.nav-link.fr:before {
   background-image: url(/themes/pdata/images/header/french-icon.svg);
}

header .block-language .links span.nav-link.en:before {
   background-image: url(/themes/pdata/images/header/english-icon.svg);
}

header .block-language .links:after {
   content: '';
   background-image: url(/themes/pdata/images/header/arrow-icon.svg);
   width: 8px;
   height: 5px;
   position: absolute;
   right: 0;
   top: 50%;
   transform: translateY(-50%);
}