Greek fonts missing

In my font list i used google font, if you want kindly used manually as CSS code are

For title

.ihewc-hover-76 h3 {
font-family: “Open Sans”;
}

For Info or Descriptions

.ihewc-hover-76 p {
font-family: “Open Sans”;
}

For Button:

.ihewc-hover-76 .img-btn, .ihewc-hover-76 .img-btn:hover, .ihewc-hover-76 .img-btn:focus, .ihewc-hover-76 .img-btn:active {
font-family: “Open Sans”;
}

Mind it 76*** is your style id which you get into per shortcode.