.calc-btn {
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
  /*font-family: Arial;*/
  color: #3b5998;
  font-size: 11px;
  background: #fcff00;
  padding: 2px 10px 2px 10px;
  text-decoration: none;
  display: block;
  border: 0;
  font-weight: bold;
  margin: 2px 0px;
  cursor:pointer;
}

.calc-btn:hover {
  background: #fdff73;
  text-decoration: none;
  display: block;
  border: 0;
}

.close-btn {
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
  /*font-family: Arial;*/
  color: #ffffff;
  font-size: 11px;
  background: #3b5998;
  padding: 2px 10px 2px 10px;
  text-decoration: none;
  display: block;
  border: 0;
  font-weight: bold;
  margin: 2px 2px;
}

.close-btn:hover {
  background: #516797;
  text-decoration: none;
  display: block;
  border: 0;
}