.widget-lang-top {

}

html[lang="en-US"] .polish-content,
html[lang="pl-PL"] .english-content{
  display: none
}

html[lang="en-US"] .wpcf7 .wpcf7-response-output,
html[lang="en-US"] .wpcf7 .wpcf7-not-valid-tip {
  display: none !important
}

html[lang="en-US"] .wpcf7 .wpcf7-custom-response-output {
  display: none;
  margin: 0;
  font-size: .75em;
  clear: both;
  border: 1px solid #3a3a3a;
  padding: 10px;
}

html[lang="en-US"] .wpcf7 .invalid .invalid,
html[lang="en-US"] .wpcf7 .failed .failed,
html[lang="en-US"] .wpcf7 .sent .sent {
  display: block
}