.btncalcliquid {
  background-color: #a7c721; /* Green */
  border: none;
  color: white;
  width: 122px;
  height: 32px;
  text-align: center;
  font-family: 'Open Sans',sans-serif;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  display: inline-block;
  margin: 4px 2px;
  transition-duration: 0.5s;
  cursor: pointer;
}
.btncalcliquid1 {
  background-color: #3498db; /* Barva po najeti */
  color: white; 
  border: none;
}
.btncalcliquid1:hover {
  background-color: #a7c721;
  color: white;
}