div.mfeedback {}
div.mf-name, div.mf-email, div.mf-captcha, div.mf-message {width:80%; padding-bottom:0.4em;}
div.mf-name input, div.mf-email input {width:60%;}
div.mf-message textarea {width: 60%;}
span.mf-req {color:red;}
div.mf-ok-text {color:green; font-weight:bold; padding-bottom: 1em;}
.frame_brif {
  width: 590px;
  height: 500px;
  border-radius: 15px;
}

@media (max-width: 500px) {
  .frame_brif{
    width: 100vw;
  }
}