.diving_calculator_options, .diving_calculator_options tr, .diving_calculator_options td{
  border: 0;
}

.diving-calculators-form table, .diving-calculators-form table tr, .diving-calculators-form table td{
  border: 0;
}

.dc-collapsible {
  cursor: pointer;
  width: 100%;
  outline: none;

}

.diving-calculators-form {
  margin-bottom: 20px;
}

.diving-calculators-form .dc-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

.dc-collapsible h4::after {
  content: '\02795'; /* Unicode character for "plus" sign (+) */
  font-size: 10px;
  float: right;

}

.dc-active h4::after {
  content: "\2796"; /* Unicode character for "minus" sign (-) */
}