* {
  font-family: 'Open Sans', sans-serif;
  font-size: 12px;
}

#logo {
  position: absolute;
  top: 10px;
  left: 15%;
}

#footer {
  position: absolute;
  top: 78%;
  left: 30%;
}

.country_flag {
  display: inline-block;
  margin: 0 15px;
}

img.block {
  width: 100%;
}

#panels {
  position: fixed;
  top: 135px;
  width:99%;
  border-spacing: 0px;
  height: 60%;
}

#panels td {
  padding: 10px;
  width: 33%;
  vertical-align: bottom;
  cursor: pointer;
  height: 100%;
}

div.block {
  color: #fff;
  font-size: 17px;
  margin-left: 5%;
  margin-top: 5%;
  min-height: 95%;
}

font.block {
  font-weight: 800;
  font-size: 20px;
}

#block1 {
  background-image: url('../images/klient.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

#block2 {
  background-image: url('../images/audytor.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

#block3 {
  background-image: url('../images/pracownik.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

#block1:hover, #block2:hover, #block3:hover {

}